155780404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{18379}}^1$

素因数の和:18559

約数の個数: 24

約数和(自身を含む): 295403360

約数和(自身を除く): 139622956

約数列:

[1, 2, 4, 13, 26, 52, 163, 326, 652, 2119, 4238, 8476, 18379, 36758, 73516, 238927, 477854, 955708, 2995777, 5991554, 11983108, 38945101, 77890202, 155780404]

約数ペア:

[(1, 155780404), (2, 77890202), (4, 38945101), (13, 11983108), (26, 5991554), (52, 2995777), (163, 955708), (326, 477854), (652, 238927), (2119, 73516), (4238, 36758), (8476, 18379)]