64963664

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{238837}}^1$

素因数の和:238862

約数の個数: 20

約数和(自身を含む): 133271604

約数和(自身を除く): 68307940

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 238837, 477674, 955348, 1910696, 3821392, 4060229, 8120458, 16240916, 32481832, 64963664]

約数ペア:

[(1, 64963664), (2, 32481832), (4, 16240916), (8, 8120458), (16, 4060229), (17, 3821392), (34, 1910696), (68, 955348), (136, 477674), (272, 238837)]