67400728

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{521}}^1$

素因数の和:787

約数の個数: 32

約数和(自身を含む): 128662560

約数和(自身を除く): 61261832

約数列:

[1, 2, 4, 8, 103, 157, 206, 314, 412, 521, 628, 824, 1042, 1256, 2084, 4168, 16171, 32342, 53663, 64684, 81797, 107326, 129368, 163594, 214652, 327188, 429304, 654376, 8425091, 16850182, 33700364, 67400728]

約数ペア:

[(1, 67400728), (2, 33700364), (4, 16850182), (8, 8425091), (103, 654376), (157, 429304), (206, 327188), (314, 214652), (412, 163594), (521, 129368), (628, 107326), (824, 81797), (1042, 64684), (1256, 53663), (2084, 32342), (4168, 16171)]