16609490

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{409}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 31173120

約数和(自身を除く): 14563630

約数列:

[1, 2, 5, 10, 31, 62, 131, 155, 262, 310, 409, 655, 818, 1310, 2045, 4061, 4090, 8122, 12679, 20305, 25358, 40610, 53579, 63395, 107158, 126790, 267895, 535790, 1660949, 3321898, 8304745, 16609490]

約数ペア:

[(1, 16609490), (2, 8304745), (5, 3321898), (10, 1660949), (31, 535790), (62, 267895), (131, 126790), (155, 107158), (262, 63395), (310, 53579), (409, 40610), (655, 25358), (818, 20305), (1310, 12679), (2045, 8122), (4061, 4090)]