256400012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{44483}}^1$

素因数の和:44629

約数の個数: 24

約数和(自身を含む): 493238592

約数和(自身を除く): 236838580

約数列:

[1, 2, 4, 11, 22, 44, 131, 262, 524, 1441, 2882, 5764, 44483, 88966, 177932, 489313, 978626, 1957252, 5827273, 11654546, 23309092, 64100003, 128200006, 256400012]

約数ペア:

[(1, 256400012), (2, 128200006), (4, 64100003), (11, 23309092), (22, 11654546), (44, 5827273), (131, 1957252), (262, 978626), (524, 489313), (1441, 177932), (2882, 88966), (5764, 44483)]