201581892004

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{2161}}^1\times {\mathrm{213949}}^1$

素因数の和:216223

約数の個数: 24

約数和(自身を含む): 356171123000

約数和(自身を除く): 154589230996

約数列:

[1, 2, 4, 109, 218, 436, 2161, 4322, 8644, 213949, 235549, 427898, 471098, 855796, 942196, 23320441, 46640882, 93281764, 462343789, 924687578, 1849375156, 50395473001, 100790946002, 201581892004]

約数ペア:

[(1, 201581892004), (2, 100790946002), (4, 50395473001), (109, 1849375156), (218, 924687578), (436, 462343789), (2161, 93281764), (4322, 46640882), (8644, 23320441), (213949, 942196), (235549, 855796), (427898, 471098)]