128869356

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:476

約数の個数: 144

約数和(自身を含む): 390871040

約数和(自身を除く): 262001684

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 31, 33, 42, 44, 62, 66, 77, 84, 93, 121, 124, 132, 154, 186, 217, 231, 242, 308, 341, 363, 372, 409, 434, 462, 484, 651, 682, 726, 818, 847, 868, 924, 1023, 1227, 1302, 1364, 1452, 1636, 1694, 2046, 2387, 2454, 2541, 2604, 2863, 3388, 3751, 4092, 4499, 4774, 4908, 5082, 5726, 7161, 7502, 8589, 8998, 9548, 10164, 11253, 11452, 12679, 13497, 14322, 15004, 17178, 17996, 22506, 25358, 26257, 26994, 28644, 31493, 34356, 38037, 45012, 49489, 50716, 52514, 53988, 62986, 76074, 78771, 88753, 94479, 98978, 105028, 125972, 139469, 148467, 152148, 157542, 177506, 188958, 197956, 266259, 278938, 296934, 315084, 346423, 355012, 377916, 418407, 532518, 557876, 593868, 692846, 836814, 976283, 1039269, 1065036, 1385692, 1534159, 1673628, 1952566, 2078538, 2928849, 3068318, 3905132, 4157076, 4602477, 5857698, 6136636, 9204954, 10739113, 11715396, 18409908, 21478226, 32217339, 42956452, 64434678, 128869356]

約数ペア:

[(1, 128869356), (2, 64434678), (3, 42956452), (4, 32217339), (6, 21478226), (7, 18409908), (11, 11715396), (12, 10739113), (14, 9204954), (21, 6136636), (22, 5857698), (28, 4602477), (31, 4157076), (33, 3905132), (42, 3068318), (44, 2928849), (62, 2078538), (66, 1952566), (77, 1673628), (84, 1534159), (93, 1385692), (121, 1065036), (124, 1039269), (132, 976283), (154, 836814), (186, 692846), (217, 593868), (231, 557876), (242, 532518), (308, 418407), (341, 377916), (363, 355012), (372, 346423), (409, 315084), (434, 296934), (462, 278938), (484, 266259), (651, 197956), (682, 188958), (726, 177506), (818, 157542), (847, 152148), (868, 148467), (924, 139469), (1023, 125972), (1227, 105028), (1302, 98978), (1364, 94479), (1452, 88753), (1636, 78771), (1694, 76074), (2046, 62986), (2387, 53988), (2454, 52514), (2541, 50716), (2604, 49489), (2863, 45012), (3388, 38037), (3751, 34356), (4092, 31493), (4499, 28644), (4774, 26994), (4908, 26257), (5082, 25358), (5726, 22506), (7161, 17996), (7502, 17178), (8589, 15004), (8998, 14322), (9548, 13497), (10164, 12679), (11253, 11452)]