256779816

素因数分解:

$2^3\times 3^1\times {\mathrm{10699159}}^1$

素因数の和:10699168

約数の個数: 16

約数和(自身を含む): 641949600

約数和(自身を除く): 385169784

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 10699159, 21398318, 32097477, 42796636, 64194954, 85593272, 128389908, 256779816]

約数ペア:

[(1, 256779816), (2, 128389908), (3, 85593272), (4, 64194954), (6, 42796636), (8, 32097477), (12, 21398318), (24, 10699159)]