290217474

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{520103}}^1$

素因数の和:520142

約数の個数: 24

約数和(自身を含む): 649089792

約数和(自身を除く): 358872318

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 520103, 1040206, 1560309, 3120618, 4680927, 9361854, 16123193, 32246386, 48369579, 96739158, 145108737, 290217474]

約数ペア:

[(1, 290217474), (2, 145108737), (3, 96739158), (6, 48369579), (9, 32246386), (18, 16123193), (31, 9361854), (62, 4680927), (93, 3120618), (186, 1560309), (279, 1040206), (558, 520103)]