8470399

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:390

約数の個数: 16

約数和(自身を含む): 9999360

約数和(自身を除く): 1528961

約数列:

[1, 7, 61, 83, 239, 427, 581, 1673, 5063, 14579, 19837, 35441, 102053, 138859, 1210057, 8470399]

約数ペア:

[(1, 8470399), (7, 1210057), (61, 138859), (83, 102053), (239, 35441), (427, 19837), (581, 14579), (1673, 5063)]