257365656

素因数分解:

$2^3\times 3^2\times {\mathrm{3574523}}^1$

素因数の和:3574535

約数の個数: 24

約数和(自身を含む): 697032180

約数和(自身を除く): 439666524

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 3574523, 7149046, 10723569, 14298092, 21447138, 28596184, 32170707, 42894276, 64341414, 85788552, 128682828, 257365656]

約数ペア:

[(1, 257365656), (2, 128682828), (3, 85788552), (4, 64341414), (6, 42894276), (8, 32170707), (9, 28596184), (12, 21447138), (18, 14298092), (24, 10723569), (36, 7149046), (72, 3574523)]