27778810855

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{541}}^1\times {\mathrm{857}}^1$

素因数の和:1947

約数の個数: 32

約数和(自身を含む): 34955826048

約数和(自身を除く): 7177015193

約数列:

[1, 5, 23, 115, 521, 541, 857, 2605, 2705, 4285, 11983, 12443, 19711, 59915, 62215, 98555, 281861, 446497, 463637, 1409305, 2232485, 2318185, 6482803, 10269431, 10663651, 32414015, 51347155, 53318255, 241554877, 1207774385, 5555762171, 27778810855]

約数ペア:

[(1, 27778810855), (5, 5555762171), (23, 1207774385), (115, 241554877), (521, 53318255), (541, 51347155), (857, 32414015), (2605, 10663651), (2705, 10269431), (4285, 6482803), (11983, 2318185), (12443, 2232485), (19711, 1409305), (59915, 463637), (62215, 446497), (98555, 281861)]