13696475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 20186208

約数和(自身を除く): 6489733

約数列:

[1, 5, 13, 17, 25, 37, 65, 67, 85, 185, 221, 325, 335, 425, 481, 629, 871, 925, 1105, 1139, 1675, 2405, 2479, 3145, 4355, 5525, 5695, 8177, 12025, 12395, 14807, 15725, 21775, 28475, 32227, 40885, 42143, 61975, 74035, 161135, 204425, 210715, 370175, 547859, 805675, 1053575, 2739295, 13696475]

約数ペア:

[(1, 13696475), (5, 2739295), (13, 1053575), (17, 805675), (25, 547859), (37, 370175), (65, 210715), (67, 204425), (85, 161135), (185, 74035), (221, 61975), (325, 42143), (335, 40885), (425, 32227), (481, 28475), (629, 21775), (871, 15725), (925, 14807), (1105, 12395), (1139, 12025), (1675, 8177), (2405, 5695), (2479, 5525), (3145, 4355)]