816775990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4298821}}^1$

素因数の和:4298847

約数の個数: 16

約数和(自身を含む): 1547575920

約数和(自身を除く): 730799930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 4298821, 8597642, 21494105, 42988210, 81677599, 163355198, 408387995, 816775990]

約数ペア:

[(1, 816775990), (2, 408387995), (5, 163355198), (10, 81677599), (19, 42988210), (38, 21494105), (95, 8597642), (190, 4298821)]