123960142

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{709}}^1$

素因数の和:880

約数の個数: 32

約数和(自身を含む): 202435200

約数和(自身を除く): 78475058

約数列:

[1, 2, 19, 38, 43, 86, 107, 214, 709, 817, 1418, 1634, 2033, 4066, 4601, 9202, 13471, 26942, 30487, 60974, 75863, 87419, 151726, 174838, 579253, 1158506, 1441397, 2882794, 3262109, 6524218, 61980071, 123960142]

約数ペア:

[(1, 123960142), (2, 61980071), (19, 6524218), (38, 3262109), (43, 2882794), (86, 1441397), (107, 1158506), (214, 579253), (709, 174838), (817, 151726), (1418, 87419), (1634, 75863), (2033, 60974), (4066, 30487), (4601, 26942), (9202, 13471)]