490696568

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{212239}}^1$

素因数の和:212279

約数の個数: 24

約数和(自身を含む): 977365200

約数和(自身を除く): 486668632

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 212239, 424478, 848956, 1697912, 3608063, 7216126, 14432252, 28864504, 61337071, 122674142, 245348284, 490696568]

約数ペア:

[(1, 490696568), (2, 245348284), (4, 122674142), (8, 61337071), (17, 28864504), (34, 14432252), (68, 7216126), (136, 3608063), (289, 1697912), (578, 848956), (1156, 424478), (2312, 212239)]