814990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:288

約数の個数: 32

約数和(自身を含む): 1658880

約数和(自身を除く): 843890

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 239, 310, 341, 478, 682, 1195, 1705, 2390, 2629, 3410, 5258, 7409, 13145, 14818, 26290, 37045, 74090, 81499, 162998, 407495, 814990]

約数ペア:

[(1, 814990), (2, 407495), (5, 162998), (10, 81499), (11, 74090), (22, 37045), (31, 26290), (55, 14818), (62, 13145), (110, 7409), (155, 5258), (239, 3410), (310, 2629), (341, 2390), (478, 1705), (682, 1195)]