67138168

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 135939600

約数和(自身を除く): 68801432

約数列:

[1, 2, 4, 8, 17, 34, 68, 71, 136, 142, 284, 289, 409, 568, 578, 818, 1156, 1207, 1636, 2312, 2414, 3272, 4828, 6953, 9656, 13906, 20519, 27812, 29039, 41038, 55624, 58078, 82076, 116156, 118201, 164152, 232312, 236402, 472804, 493663, 945608, 987326, 1974652, 3949304, 8392271, 16784542, 33569084, 67138168]

約数ペア:

[(1, 67138168), (2, 33569084), (4, 16784542), (8, 8392271), (17, 3949304), (34, 1974652), (68, 987326), (71, 945608), (136, 493663), (142, 472804), (284, 236402), (289, 232312), (409, 164152), (568, 118201), (578, 116156), (818, 82076), (1156, 58078), (1207, 55624), (1636, 41038), (2312, 29039), (2414, 27812), (3272, 20519), (4828, 13906), (6953, 9656)]