81588910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{1103}}^1$

素因数の和:1692

約数の個数: 32

約数和(自身を含む): 158578560

約数和(自身を除く): 76989650

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 569, 1103, 1138, 2206, 2845, 5515, 5690, 7397, 11030, 14339, 14794, 28678, 36985, 71695, 73970, 143390, 627607, 1255214, 3138035, 6276070, 8158891, 16317782, 40794455, 81588910]

約数ペア:

[(1, 81588910), (2, 40794455), (5, 16317782), (10, 8158891), (13, 6276070), (26, 3138035), (65, 1255214), (130, 627607), (569, 143390), (1103, 73970), (1138, 71695), (2206, 36985), (2845, 28678), (5515, 14794), (5690, 14339), (7397, 11030)]