221780018

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{23011}}^1$

素因数の和:23153

約数の個数: 16

約数和(自身を含む): 342418560

約数和(自身を除く): 120638542

約数列:

[1, 2, 61, 79, 122, 158, 4819, 9638, 23011, 46022, 1403671, 1817869, 2807342, 3635738, 110890009, 221780018]

約数ペア:

[(1, 221780018), (2, 110890009), (61, 3635738), (79, 2807342), (122, 1817869), (158, 1403671), (4819, 46022), (9638, 23011)]