64880488

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{409}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 123984000

約数和(自身を除く): 59103512

約数列:

[1, 2, 4, 8, 79, 158, 251, 316, 409, 502, 632, 818, 1004, 1636, 2008, 3272, 19829, 32311, 39658, 64622, 79316, 102659, 129244, 158632, 205318, 258488, 410636, 821272, 8110061, 16220122, 32440244, 64880488]

約数ペア:

[(1, 64880488), (2, 32440244), (4, 16220122), (8, 8110061), (79, 821272), (158, 410636), (251, 258488), (316, 205318), (409, 158632), (502, 129244), (632, 102659), (818, 79316), (1004, 64622), (1636, 39658), (2008, 32311), (3272, 19829)]