31309668

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 85995000

約数和(自身を除く): 54685332

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 149, 156, 234, 298, 447, 449, 468, 596, 894, 898, 1341, 1347, 1788, 1796, 1937, 2682, 2694, 3874, 4041, 5364, 5388, 5811, 5837, 7748, 8082, 11622, 11674, 16164, 17433, 17511, 23244, 23348, 34866, 35022, 52533, 66901, 69732, 70044, 105066, 133802, 200703, 210132, 267604, 401406, 602109, 802812, 869713, 1204218, 1739426, 2408436, 2609139, 3478852, 5218278, 7827417, 10436556, 15654834, 31309668]

約数ペア:

[(1, 31309668), (2, 15654834), (3, 10436556), (4, 7827417), (6, 5218278), (9, 3478852), (12, 2609139), (13, 2408436), (18, 1739426), (26, 1204218), (36, 869713), (39, 802812), (52, 602109), (78, 401406), (117, 267604), (149, 210132), (156, 200703), (234, 133802), (298, 105066), (447, 70044), (449, 69732), (468, 66901), (596, 52533), (894, 35022), (898, 34866), (1341, 23348), (1347, 23244), (1788, 17511), (1796, 17433), (1937, 16164), (2682, 11674), (2694, 11622), (3874, 8082), (4041, 7748), (5364, 5837), (5388, 5811)]