64400284

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{277}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 129463488

約数和(自身を除く): 65063204

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 263, 277, 442, 526, 554, 884, 1052, 1108, 3419, 3601, 4471, 4709, 6838, 7202, 8942, 9418, 13676, 14404, 17884, 18836, 58123, 61217, 72851, 116246, 122434, 145702, 232492, 244868, 291404, 947063, 1238467, 1894126, 2476934, 3788252, 4953868, 16100071, 32200142, 64400284]

約数ペア:

[(1, 64400284), (2, 32200142), (4, 16100071), (13, 4953868), (17, 3788252), (26, 2476934), (34, 1894126), (52, 1238467), (68, 947063), (221, 291404), (263, 244868), (277, 232492), (442, 145702), (526, 122434), (554, 116246), (884, 72851), (1052, 61217), (1108, 58123), (3419, 18836), (3601, 17884), (4471, 14404), (4709, 13676), (6838, 9418), (7202, 8942)]