31490172

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 97843200

約数和(自身を除く): 66353028

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 31, 36, 42, 58, 62, 63, 84, 87, 93, 116, 124, 126, 139, 174, 186, 203, 217, 252, 261, 278, 279, 348, 372, 406, 417, 434, 522, 556, 558, 609, 651, 812, 834, 868, 899, 973, 1044, 1116, 1218, 1251, 1302, 1668, 1798, 1827, 1946, 1953, 2436, 2502, 2604, 2697, 2919, 3596, 3654, 3892, 3906, 4031, 4309, 5004, 5394, 5838, 6293, 7308, 7812, 8062, 8091, 8618, 8757, 10788, 11676, 12093, 12586, 12927, 16124, 16182, 17236, 17514, 18879, 24186, 25172, 25854, 28217, 30163, 32364, 35028, 36279, 37758, 38781, 48372, 51708, 56434, 56637, 60326, 72558, 75516, 77562, 84651, 90489, 112868, 113274, 120652, 124961, 145116, 155124, 169302, 180978, 226548, 249922, 253953, 271467, 338604, 361956, 374883, 499844, 507906, 542934, 749766, 874727, 1015812, 1085868, 1124649, 1499532, 1749454, 2249298, 2624181, 3498908, 4498596, 5248362, 7872543, 10496724, 15745086, 31490172]

約数ペア:

[(1, 31490172), (2, 15745086), (3, 10496724), (4, 7872543), (6, 5248362), (7, 4498596), (9, 3498908), (12, 2624181), (14, 2249298), (18, 1749454), (21, 1499532), (28, 1124649), (29, 1085868), (31, 1015812), (36, 874727), (42, 749766), (58, 542934), (62, 507906), (63, 499844), (84, 374883), (87, 361956), (93, 338604), (116, 271467), (124, 253953), (126, 249922), (139, 226548), (174, 180978), (186, 169302), (203, 155124), (217, 145116), (252, 124961), (261, 120652), (278, 113274), (279, 112868), (348, 90489), (372, 84651), (406, 77562), (417, 75516), (434, 72558), (522, 60326), (556, 56637), (558, 56434), (609, 51708), (651, 48372), (812, 38781), (834, 37758), (868, 36279), (899, 35028), (973, 32364), (1044, 30163), (1116, 28217), (1218, 25854), (1251, 25172), (1302, 24186), (1668, 18879), (1798, 17514), (1827, 17236), (1946, 16182), (1953, 16124), (2436, 12927), (2502, 12586), (2604, 12093), (2697, 11676), (2919, 10788), (3596, 8757), (3654, 8618), (3892, 8091), (3906, 8062), (4031, 7812), (4309, 7308), (5004, 6293), (5394, 5838)]