291278426

素因数分解:

$2^1\times {\mathrm{233}}^1\times {\mathrm{313}}^1\times {\mathrm{1997}}^1$

素因数の和:2545

約数の個数: 16

約数和(自身を含む): 440415144

約数和(自身を除く): 149136718

約数列:

[1, 2, 233, 313, 466, 626, 1997, 3994, 72929, 145858, 465301, 625061, 930602, 1250122, 145639213, 291278426]

約数ペア:

[(1, 291278426), (2, 145639213), (233, 1250122), (313, 930602), (466, 625061), (626, 465301), (1997, 145858), (3994, 72929)]