257715792

素因数分解:

$2^4\times 3^2\times {\mathrm{1789693}}^1$

素因数の和:1789707

約数の個数: 30

約数和(自身を含む): 721246682

約数和(自身を除く): 463530890

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 1789693, 3579386, 5369079, 7158772, 10738158, 14317544, 16107237, 21476316, 28635088, 32214474, 42952632, 64428948, 85905264, 128857896, 257715792]

約数ペア:

[(1, 257715792), (2, 128857896), (3, 85905264), (4, 64428948), (6, 42952632), (8, 32214474), (9, 28635088), (12, 21476316), (16, 16107237), (18, 14317544), (24, 10738158), (36, 7158772), (48, 5369079), (72, 3579386), (144, 1789693)]