64550768

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{237319}}^1$

素因数の和:237344

約数の個数: 20

約数和(自身を含む): 132424560

約数和(自身を除く): 67873792

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 237319, 474638, 949276, 1898552, 3797104, 4034423, 8068846, 16137692, 32275384, 64550768]

約数ペア:

[(1, 64550768), (2, 32275384), (4, 16137692), (8, 8068846), (16, 4034423), (17, 3797104), (34, 1898552), (68, 949276), (136, 474638), (272, 237319)]