2115121490

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2376541}}^1$

素因数の和:2376637

約数の個数: 16

約数和(自身を含む): 3849998040

約数和(自身を除く): 1734876550

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 2376541, 4753082, 11882705, 23765410, 211512149, 423024298, 1057560745, 2115121490]

約数ペア:

[(1, 2115121490), (2, 1057560745), (5, 423024298), (10, 211512149), (89, 23765410), (178, 11882705), (445, 4753082), (890, 2376541)]