68779688

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 139255200

約数和(自身を除く): 70475512

約数列:

[1, 2, 4, 8, 17, 34, 68, 71, 136, 142, 284, 289, 419, 568, 578, 838, 1156, 1207, 1676, 2312, 2414, 3352, 4828, 7123, 9656, 14246, 20519, 28492, 29749, 41038, 56984, 59498, 82076, 118996, 121091, 164152, 237992, 242182, 484364, 505733, 968728, 1011466, 2022932, 4045864, 8597461, 17194922, 34389844, 68779688]

約数ペア:

[(1, 68779688), (2, 34389844), (4, 17194922), (8, 8597461), (17, 4045864), (34, 2022932), (68, 1011466), (71, 968728), (136, 505733), (142, 484364), (284, 242182), (289, 237992), (419, 164152), (568, 121091), (578, 118996), (838, 82076), (1156, 59498), (1207, 56984), (1676, 41038), (2312, 29749), (2414, 28492), (3352, 20519), (4828, 14246), (7123, 9656)]