198394505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{977}}^1\times {\mathrm{2389}}^1$

素因数の和:3388

約数の個数: 16

約数和(自身を含む): 252441360

約数和(自身を除く): 54046855

約数列:

[1, 5, 17, 85, 977, 2389, 4885, 11945, 16609, 40613, 83045, 203065, 2334053, 11670265, 39678901, 198394505]

約数ペア:

[(1, 198394505), (5, 39678901), (17, 11670265), (85, 2334053), (977, 203065), (2389, 83045), (4885, 40613), (11945, 16609)]