1247266945

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{209801}}^1$

素因数の和:209876

約数の個数: 16

約数和(自身を含む): 1586103120

約数和(自身を除く): 338836175

約数列:

[1, 5, 29, 41, 145, 205, 1189, 5945, 209801, 1049005, 6084229, 8601841, 30421145, 43009205, 249453389, 1247266945]

約数ペア:

[(1, 1247266945), (5, 249453389), (29, 43009205), (41, 30421145), (145, 8601841), (205, 6084229), (1189, 1049005), (5945, 209801)]