180978886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{32009}}^1$

素因数の和:32279

約数の個数: 16

約数和(自身を含む): 297308880

約数和(自身を除く): 116329994

約数列:

[1, 2, 11, 22, 257, 514, 2827, 5654, 32009, 64018, 352099, 704198, 8226313, 16452626, 90489443, 180978886]

約数ペア:

[(1, 180978886), (2, 90489443), (11, 16452626), (22, 8226313), (257, 704198), (514, 352099), (2827, 64018), (5654, 32009)]