208772005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{7853}}^1$

素因数の和:8280

約数の個数: 16

約数和(自身を含む): 270491760

約数和(自身を除く): 61719755

約数列:

[1, 5, 13, 65, 409, 2045, 5317, 7853, 26585, 39265, 102089, 510445, 3211877, 16059385, 41754401, 208772005]

約数ペア:

[(1, 208772005), (5, 41754401), (13, 16059385), (65, 3211877), (409, 510445), (2045, 102089), (5317, 39265), (7853, 26585)]