81303970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{17189}}^1$

素因数の和:17250

約数の個数: 32

約数和(自身を含む): 163373760

約数和(自身を除く): 82069790

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4730, 17189, 34378, 85945, 171890, 189079, 378158, 739127, 945395, 1478254, 1890790, 3695635, 7391270, 8130397, 16260794, 40651985, 81303970]

約数ペア:

[(1, 81303970), (2, 40651985), (5, 16260794), (10, 8130397), (11, 7391270), (22, 3695635), (43, 1890790), (55, 1478254), (86, 945395), (110, 739127), (215, 378158), (430, 189079), (473, 171890), (946, 85945), (2365, 34378), (4730, 17189)]