216751178

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1\times {\mathrm{719}}^1$

素因数の和:1142

約数の個数: 32

約数和(自身を含む): 379261440

約数和(自身を除く): 162510262

約数列:

[1, 2, 7, 14, 61, 122, 353, 427, 706, 719, 854, 1438, 2471, 4942, 5033, 10066, 21533, 43066, 43859, 87718, 150731, 253807, 301462, 307013, 507614, 614026, 1776649, 3553298, 15482227, 30964454, 108375589, 216751178]

約数ペア:

[(1, 216751178), (2, 108375589), (7, 30964454), (14, 15482227), (61, 3553298), (122, 1776649), (353, 614026), (427, 507614), (706, 307013), (719, 301462), (854, 253807), (1438, 150731), (2471, 87718), (4942, 43859), (5033, 43066), (10066, 21533)]