71228556

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:444

約数の個数: 108

約数和(自身を含む): 211629600

約数和(自身を除く): 140401044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 149, 196, 252, 271, 294, 298, 441, 447, 542, 588, 596, 813, 882, 894, 1043, 1084, 1341, 1626, 1764, 1788, 1897, 2086, 2439, 2682, 3129, 3252, 3794, 4172, 4878, 5364, 5691, 6258, 7301, 7588, 9387, 9756, 11382, 12516, 13279, 14602, 17073, 18774, 21903, 22764, 26558, 29204, 34146, 37548, 39837, 40379, 43806, 53116, 65709, 68292, 79674, 80758, 87612, 119511, 121137, 131418, 159348, 161516, 239022, 242274, 262836, 282653, 363411, 478044, 484548, 565306, 726822, 847959, 1130612, 1453644, 1695918, 1978571, 2543877, 3391836, 3957142, 5087754, 5935713, 7914284, 10175508, 11871426, 17807139, 23742852, 35614278, 71228556]

約数ペア:

[(1, 71228556), (2, 35614278), (3, 23742852), (4, 17807139), (6, 11871426), (7, 10175508), (9, 7914284), (12, 5935713), (14, 5087754), (18, 3957142), (21, 3391836), (28, 2543877), (36, 1978571), (42, 1695918), (49, 1453644), (63, 1130612), (84, 847959), (98, 726822), (126, 565306), (147, 484548), (149, 478044), (196, 363411), (252, 282653), (271, 262836), (294, 242274), (298, 239022), (441, 161516), (447, 159348), (542, 131418), (588, 121137), (596, 119511), (813, 87612), (882, 80758), (894, 79674), (1043, 68292), (1084, 65709), (1341, 53116), (1626, 43806), (1764, 40379), (1788, 39837), (1897, 37548), (2086, 34146), (2439, 29204), (2682, 26558), (3129, 22764), (3252, 21903), (3794, 18774), (4172, 17073), (4878, 14602), (5364, 13279), (5691, 12516), (6258, 11382), (7301, 9756), (7588, 9387)]