128012988

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{260189}}^1$

素因数の和:260237

約数の個数: 24

約数和(自身を含む): 305983440

約数和(自身を除く): 177970452

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 260189, 520378, 780567, 1040756, 1561134, 3122268, 10667749, 21335498, 32003247, 42670996, 64006494, 128012988]

約数ペア:

[(1, 128012988), (2, 64006494), (3, 42670996), (4, 32003247), (6, 21335498), (12, 10667749), (41, 3122268), (82, 1561134), (123, 1040756), (164, 780567), (246, 520378), (492, 260189)]