81443630

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{733}}^1$

素因数の和:1052

約数の個数: 32

約数和(自身を含む): 150933888

約数和(自身を除く): 69490258

約数列:

[1, 2, 5, 10, 41, 82, 205, 271, 410, 542, 733, 1355, 1466, 2710, 3665, 7330, 11111, 22222, 30053, 55555, 60106, 111110, 150265, 198643, 300530, 397286, 993215, 1986430, 8144363, 16288726, 40721815, 81443630]

約数ペア:

[(1, 81443630), (2, 40721815), (5, 16288726), (10, 8144363), (41, 1986430), (82, 993215), (205, 397286), (271, 300530), (410, 198643), (542, 150265), (733, 111110), (1355, 60106), (1466, 55555), (2710, 30053), (3665, 22222), (7330, 11111)]