1291225690

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{792163}}^1$

素因数の和:792333

約数の個数: 16

約数和(自身を含む): 2338468128

約数和(自身を除く): 1047242438

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 792163, 1584326, 3960815, 7921630, 129122569, 258245138, 645612845, 1291225690]

約数ペア:

[(1, 1291225690), (2, 645612845), (5, 258245138), (10, 129122569), (163, 7921630), (326, 3960815), (815, 1584326), (1630, 792163)]