71581790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{32987}}^1$

素因数の和:33032

約数の個数: 32

約数和(自身を含む): 152008704

約数和(自身を除く): 80426914

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 32987, 65974, 164935, 230909, 329870, 461818, 1022597, 1154545, 2045194, 2309090, 5112985, 7158179, 10225970, 14316358, 35790895, 71581790]

約数ペア:

[(1, 71581790), (2, 35790895), (5, 14316358), (7, 10225970), (10, 7158179), (14, 5112985), (31, 2309090), (35, 2045194), (62, 1154545), (70, 1022597), (155, 461818), (217, 329870), (310, 230909), (434, 164935), (1085, 65974), (2170, 32987)]