257673456

素因数分解:

$2^4\times 3^2\times {\mathrm{1789399}}^1$

素因数の和:1789413

約数の個数: 30

約数和(自身を含む): 721128200

約数和(自身を除く): 463454744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 1789399, 3578798, 5368197, 7157596, 10736394, 14315192, 16104591, 21472788, 28630384, 32209182, 42945576, 64418364, 85891152, 128836728, 257673456]

約数ペア:

[(1, 257673456), (2, 128836728), (3, 85891152), (4, 64418364), (6, 42945576), (8, 32209182), (9, 28630384), (12, 21472788), (16, 16104591), (18, 14315192), (24, 10736394), (36, 7157596), (48, 5368197), (72, 3578798), (144, 1789399)]