1900986493

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1\times {\mathrm{12401}}^1$

素因数の和:12828

約数の個数: 16

約数和(自身を含む): 2214501120

約数和(自身を除く): 313514627

約数列:

[1, 7, 61, 359, 427, 2513, 12401, 21899, 86807, 153293, 756461, 4451959, 5295227, 31163713, 271569499, 1900986493]

約数ペア:

[(1, 1900986493), (7, 271569499), (61, 31163713), (359, 5295227), (427, 4451959), (2513, 756461), (12401, 153293), (21899, 86807)]