256342472

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{821}}^1\times {\mathrm{1259}}^1$

素因数の和:2117

約数の個数: 32

約数和(自身を含む): 497145600

約数和(自身を除く): 240803128

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 821, 1259, 1642, 2518, 3284, 5036, 6568, 10072, 25451, 39029, 50902, 78058, 101804, 156116, 203608, 312232, 1033639, 2067278, 4134556, 8269112, 32042809, 64085618, 128171236, 256342472]

約数ペア:

[(1, 256342472), (2, 128171236), (4, 64085618), (8, 32042809), (31, 8269112), (62, 4134556), (124, 2067278), (248, 1033639), (821, 312232), (1259, 203608), (1642, 156116), (2518, 101804), (3284, 78058), (5036, 50902), (6568, 39029), (10072, 25451)]