256621546

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{503}}^1\times {\mathrm{3229}}^1$

素因数の和:3813

約数の個数: 16

約数和(自身を含む): 390700800

約数和(自身を除く): 134079254

約数列:

[1, 2, 79, 158, 503, 1006, 3229, 6458, 39737, 79474, 255091, 510182, 1624187, 3248374, 128310773, 256621546]

約数ペア:

[(1, 256621546), (2, 128310773), (79, 3248374), (158, 1624187), (503, 510182), (1006, 255091), (3229, 79474), (6458, 39737)]