216320909

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{15791}}^1$

素因数の和:15920

約数の個数: 16

約数和(自身を含む): 262778880

約数和(自身を除く): 46457971

約数列:

[1, 7, 19, 103, 133, 721, 1957, 13699, 15791, 110537, 300029, 1626473, 2100203, 11385311, 30902987, 216320909]

約数ペア:

[(1, 216320909), (7, 30902987), (19, 11385311), (103, 2100203), (133, 1626473), (721, 300029), (1957, 110537), (13699, 15791)]