64942448

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{238759}}^1$

素因数の和:238784

約数の個数: 20

約数和(自身を含む): 133228080

約数和(自身を除く): 68285632

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 238759, 477518, 955036, 1910072, 3820144, 4058903, 8117806, 16235612, 32471224, 64942448]

約数ペア:

[(1, 64942448), (2, 32471224), (4, 16235612), (8, 8117806), (16, 4058903), (17, 3820144), (34, 1910072), (68, 955036), (136, 477518), (272, 238759)]