53917890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{138251}}^1$

素因数の和:138274

約数の個数: 32

約数和(自身を含む): 139358016

約数和(自身を除く): 85440126

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 138251, 276502, 414753, 691255, 829506, 1382510, 1797263, 2073765, 3594526, 4147530, 5391789, 8986315, 10783578, 17972630, 26958945, 53917890]

約数ペア:

[(1, 53917890), (2, 26958945), (3, 17972630), (5, 10783578), (6, 8986315), (10, 5391789), (13, 4147530), (15, 3594526), (26, 2073765), (30, 1797263), (39, 1382510), (65, 829506), (78, 691255), (130, 414753), (195, 276502), (390, 138251)]