64880432

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{238531}}^1$

素因数の和:238556

約数の個数: 20

約数和(自身を含む): 133100856

約数和(自身を除く): 68220424

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 238531, 477062, 954124, 1908248, 3816496, 4055027, 8110054, 16220108, 32440216, 64880432]

約数ペア:

[(1, 64880432), (2, 32440216), (4, 16220108), (8, 8110054), (16, 4055027), (17, 3816496), (34, 1908248), (68, 954124), (136, 477062), (272, 238531)]