68268668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2663}}^1$

素因数の和:2726

約数の個数: 48

約数和(自身を含む): 140978880

約数和(自身を除く): 72710212

約数列:

[1, 2, 4, 13, 17, 26, 29, 34, 52, 58, 68, 116, 221, 377, 442, 493, 754, 884, 986, 1508, 1972, 2663, 5326, 6409, 10652, 12818, 25636, 34619, 45271, 69238, 77227, 90542, 138476, 154454, 181084, 308908, 588523, 1003951, 1177046, 1312859, 2007902, 2354092, 2625718, 4015804, 5251436, 17067167, 34134334, 68268668]

約数ペア:

[(1, 68268668), (2, 34134334), (4, 17067167), (13, 5251436), (17, 4015804), (26, 2625718), (29, 2354092), (34, 2007902), (52, 1312859), (58, 1177046), (68, 1003951), (116, 588523), (221, 308908), (377, 181084), (442, 154454), (493, 138476), (754, 90542), (884, 77227), (986, 69238), (1508, 45271), (1972, 34619), (2663, 25636), (5326, 12818), (6409, 10652)]