289251142

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{76481}}^1$

素因数の和:76575

約数の個数: 16

約数和(自身を含む): 455220864

約数和(自身を除く): 165969722

約数列:

[1, 2, 31, 61, 62, 122, 1891, 3782, 76481, 152962, 2370911, 4665341, 4741822, 9330682, 144625571, 289251142]

約数ペア:

[(1, 289251142), (2, 144625571), (31, 9330682), (61, 4741822), (62, 4665341), (122, 2370911), (1891, 152962), (3782, 76481)]