20161824475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{98627}}^1$

素因数の和:98704

約数の個数: 48

約数和(自身を含む): 29278313568

約数和(自身を除く): 9116489093

約数列:

[1, 5, 13, 17, 25, 37, 65, 85, 185, 221, 325, 425, 481, 629, 925, 1105, 2405, 3145, 5525, 8177, 12025, 15725, 40885, 98627, 204425, 493135, 1282151, 1676659, 2465675, 3649199, 6410755, 8383295, 18245995, 21796567, 32053775, 41916475, 47439587, 62036383, 91229975, 108982835, 237197935, 310181915, 544914175, 806472979, 1185989675, 1550909575, 4032364895, 20161824475]

約数ペア:

[(1, 20161824475), (5, 4032364895), (13, 1550909575), (17, 1185989675), (25, 806472979), (37, 544914175), (65, 310181915), (85, 237197935), (185, 108982835), (221, 91229975), (325, 62036383), (425, 47439587), (481, 41916475), (629, 32053775), (925, 21796567), (1105, 18245995), (2405, 8383295), (3145, 6410755), (5525, 3649199), (8177, 2465675), (12025, 1676659), (15725, 1282151), (40885, 493135), (98627, 204425)]