42780766

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1$

素因数の和:496

約数の個数: 32

約数和(自身を含む): 75091968

約数和(自身を除く): 32311202

約数列:

[1, 2, 7, 14, 71, 142, 193, 223, 386, 446, 497, 994, 1351, 1561, 2702, 3122, 13703, 15833, 27406, 31666, 43039, 86078, 95921, 110831, 191842, 221662, 301273, 602546, 3055769, 6111538, 21390383, 42780766]

約数ペア:

[(1, 42780766), (2, 21390383), (7, 6111538), (14, 3055769), (71, 602546), (142, 301273), (193, 221662), (223, 191842), (386, 110831), (446, 95921), (497, 86078), (994, 43039), (1351, 31666), (1561, 27406), (2702, 15833), (3122, 13703)]