257155367038

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1\times {\mathrm{395491}}^1$

素因数の和:395824

約数の個数: 32

約数和(自身を含む): 413463156480

約数和(自身を除く): 156307789442

約数列:

[1, 2, 19, 38, 71, 142, 241, 482, 1349, 2698, 4579, 9158, 17111, 34222, 325109, 395491, 650218, 790982, 7514329, 15028658, 28079861, 56159722, 95313331, 190626662, 533517359, 1067034718, 1810953289, 3621906578, 6767246501, 13534493002, 128577683519, 257155367038]

約数ペア:

[(1, 257155367038), (2, 128577683519), (19, 13534493002), (38, 6767246501), (71, 3621906578), (142, 1810953289), (241, 1067034718), (482, 533517359), (1349, 190626662), (2698, 95313331), (4579, 56159722), (9158, 28079861), (17111, 15028658), (34222, 7514329), (325109, 790982), (395491, 650218)]