131390028

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:209

約数の個数: 216

約数和(自身を含む): 433771520

約数和(自身を除く): 302381492

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 31, 33, 36, 42, 44, 62, 63, 66, 77, 84, 93, 99, 121, 124, 126, 132, 139, 154, 186, 198, 217, 231, 242, 252, 278, 279, 308, 341, 363, 372, 396, 417, 434, 462, 484, 556, 558, 651, 682, 693, 726, 834, 847, 868, 924, 973, 1023, 1089, 1116, 1251, 1302, 1364, 1386, 1452, 1529, 1668, 1694, 1946, 1953, 2046, 2178, 2387, 2502, 2541, 2604, 2772, 2919, 3058, 3069, 3388, 3751, 3892, 3906, 4092, 4309, 4356, 4587, 4774, 5004, 5082, 5838, 6116, 6138, 7161, 7502, 7623, 7812, 8618, 8757, 9174, 9548, 10164, 10703, 11253, 11676, 12276, 12927, 13761, 14322, 15004, 15246, 16819, 17236, 17514, 18348, 21406, 21483, 22506, 25854, 26257, 27522, 28644, 30163, 30492, 32109, 33638, 33759, 35028, 38781, 42812, 42966, 45012, 47399, 50457, 51708, 52514, 55044, 60326, 64218, 67276, 67518, 77562, 78771, 85932, 90489, 94798, 96327, 100914, 105028, 117733, 120652, 128436, 135036, 142197, 151371, 155124, 157542, 180978, 189596, 192654, 201828, 235466, 236313, 271467, 284394, 302742, 315084, 331793, 353199, 361956, 385308, 426591, 470932, 472626, 521389, 542934, 568788, 605484, 663586, 706398, 853182, 945252, 995379, 1042778, 1059597, 1085868, 1327172, 1412796, 1564167, 1706364, 1990758, 2085556, 2119194, 2986137, 3128334, 3649723, 3981516, 4238388, 4692501, 5972274, 6256668, 7299446, 9385002, 10949169, 11944548, 14598892, 18770004, 21898338, 32847507, 43796676, 65695014, 131390028]

約数ペア:

[(1, 131390028), (2, 65695014), (3, 43796676), (4, 32847507), (6, 21898338), (7, 18770004), (9, 14598892), (11, 11944548), (12, 10949169), (14, 9385002), (18, 7299446), (21, 6256668), (22, 5972274), (28, 4692501), (31, 4238388), (33, 3981516), (36, 3649723), (42, 3128334), (44, 2986137), (62, 2119194), (63, 2085556), (66, 1990758), (77, 1706364), (84, 1564167), (93, 1412796), (99, 1327172), (121, 1085868), (124, 1059597), (126, 1042778), (132, 995379), (139, 945252), (154, 853182), (186, 706398), (198, 663586), (217, 605484), (231, 568788), (242, 542934), (252, 521389), (278, 472626), (279, 470932), (308, 426591), (341, 385308), (363, 361956), (372, 353199), (396, 331793), (417, 315084), (434, 302742), (462, 284394), (484, 271467), (556, 236313), (558, 235466), (651, 201828), (682, 192654), (693, 189596), (726, 180978), (834, 157542), (847, 155124), (868, 151371), (924, 142197), (973, 135036), (1023, 128436), (1089, 120652), (1116, 117733), (1251, 105028), (1302, 100914), (1364, 96327), (1386, 94798), (1452, 90489), (1529, 85932), (1668, 78771), (1694, 77562), (1946, 67518), (1953, 67276), (2046, 64218), (2178, 60326), (2387, 55044), (2502, 52514), (2541, 51708), (2604, 50457), (2772, 47399), (2919, 45012), (3058, 42966), (3069, 42812), (3388, 38781), (3751, 35028), (3892, 33759), (3906, 33638), (4092, 32109), (4309, 30492), (4356, 30163), (4587, 28644), (4774, 27522), (5004, 26257), (5082, 25854), (5838, 22506), (6116, 21483), (6138, 21406), (7161, 18348), (7502, 17514), (7623, 17236), (7812, 16819), (8618, 15246), (8757, 15004), (9174, 14322), (9548, 13761), (10164, 12927), (10703, 12276), (11253, 11676)]