2220815

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:362

約数の個数: 16

約数和(自身を含む): 2845920

約数和(自身を除く): 625105

約数列:

[1, 5, 19, 95, 97, 241, 485, 1205, 1843, 4579, 9215, 22895, 23377, 116885, 444163, 2220815]

約数ペア:

[(1, 2220815), (5, 444163), (19, 116885), (95, 23377), (97, 22895), (241, 9215), (485, 4579), (1205, 1843)]