213951605

素因数分解:

$5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{25577}}^1$

素因数の和:25828

約数の個数: 16

約数和(自身を含む): 294658560

約数和(自身を除く): 80706955

約数列:

[1, 5, 7, 35, 239, 1195, 1673, 8365, 25577, 127885, 179039, 895195, 6112903, 30564515, 42790321, 213951605]

約数ペア:

[(1, 213951605), (5, 42790321), (7, 30564515), (35, 6112903), (239, 895195), (1195, 179039), (1673, 127885), (8365, 25577)]