443697410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{20939}}^1$

素因数の和:21122

約数の個数: 32

約数和(自身を含む): 865408320

約数和(自身を除く): 421710910

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 163, 326, 815, 1630, 2119, 4238, 10595, 20939, 21190, 41878, 104695, 209390, 272207, 544414, 1361035, 2722070, 3413057, 6826114, 17065285, 34130570, 44369741, 88739482, 221848705, 443697410]

約数ペア:

[(1, 443697410), (2, 221848705), (5, 88739482), (10, 44369741), (13, 34130570), (26, 17065285), (65, 6826114), (130, 3413057), (163, 2722070), (326, 1361035), (815, 544414), (1630, 272207), (2119, 209390), (4238, 104695), (10595, 41878), (20939, 21190)]