15621518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{2971}}^1$

素因数の和:3223

約数の個数: 16

約数和(自身を含む): 25678080

約数和(自身を除く): 10056562

約数列:

[1, 2, 11, 22, 239, 478, 2629, 2971, 5258, 5942, 32681, 65362, 710069, 1420138, 7810759, 15621518]

約数ペア:

[(1, 15621518), (2, 7810759), (11, 1420138), (22, 710069), (239, 65362), (478, 32681), (2629, 5942), (2971, 5258)]