199495681

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{42473}}^1$

素因数の和:42552

約数の個数: 16

約数和(自身を含む): 252805248

約数和(自身を除く): 53309567

約数列:

[1, 7, 11, 61, 77, 427, 671, 4697, 42473, 297311, 467203, 2590853, 3270421, 18135971, 28499383, 199495681]

約数ペア:

[(1, 199495681), (7, 28499383), (11, 18135971), (61, 3270421), (77, 2590853), (427, 467203), (671, 297311), (4697, 42473)]