31297890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{80251}}^1$

素因数の和:80274

約数の個数: 32

約数和(自身を含む): 80894016

約数和(自身を除く): 49596126

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 80251, 160502, 240753, 401255, 481506, 802510, 1043263, 1203765, 2086526, 2407530, 3129789, 5216315, 6259578, 10432630, 15648945, 31297890]

約数ペア:

[(1, 31297890), (2, 15648945), (3, 10432630), (5, 6259578), (6, 5216315), (10, 3129789), (13, 2407530), (15, 2086526), (26, 1203765), (30, 1043263), (39, 802510), (65, 481506), (78, 401255), (130, 240753), (195, 160502), (390, 80251)]