198854015

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{80671}}^1$

素因数の和:80722

約数の個数: 16

約数和(自身を含む): 261377280

約数和(自身を除く): 62523265

約数列:

[1, 5, 17, 29, 85, 145, 493, 2465, 80671, 403355, 1371407, 2339459, 6857035, 11697295, 39770803, 198854015]

約数ペア:

[(1, 198854015), (5, 39770803), (17, 11697295), (29, 6857035), (85, 2339459), (145, 1371407), (493, 403355), (2465, 80671)]