31103748

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1621}}^1$

素因数の和:1685

約数の個数: 72

約数和(自身を含む): 86789976

約数和(自身を除く): 55686228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 41, 52, 78, 82, 117, 123, 156, 164, 234, 246, 369, 468, 492, 533, 738, 1066, 1476, 1599, 1621, 2132, 3198, 3242, 4797, 4863, 6396, 6484, 9594, 9726, 14589, 19188, 19452, 21073, 29178, 42146, 58356, 63219, 66461, 84292, 126438, 132922, 189657, 199383, 252876, 265844, 379314, 398766, 598149, 758628, 797532, 863993, 1196298, 1727986, 2392596, 2591979, 3455972, 5183958, 7775937, 10367916, 15551874, 31103748]

約数ペア:

[(1, 31103748), (2, 15551874), (3, 10367916), (4, 7775937), (6, 5183958), (9, 3455972), (12, 2591979), (13, 2392596), (18, 1727986), (26, 1196298), (36, 863993), (39, 797532), (41, 758628), (52, 598149), (78, 398766), (82, 379314), (117, 265844), (123, 252876), (156, 199383), (164, 189657), (234, 132922), (246, 126438), (369, 84292), (468, 66461), (492, 63219), (533, 58356), (738, 42146), (1066, 29178), (1476, 21073), (1599, 19452), (1621, 19188), (2132, 14589), (3198, 9726), (3242, 9594), (4797, 6484), (4863, 6396)]