16905905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1931}}^1$

素因数の和:2056

約数の個数: 16

約数和(自身を含む): 21700224

約数和(自身を除く): 4794319

約数列:

[1, 5, 17, 85, 103, 515, 1751, 1931, 8755, 9655, 32827, 164135, 198893, 994465, 3381181, 16905905]

約数ペア:

[(1, 16905905), (5, 3381181), (17, 994465), (85, 198893), (103, 164135), (515, 32827), (1751, 9655), (1931, 8755)]