28698733

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{449}}^1$

素因数の和:876

約数の個数: 16

約数和(自身を含む): 34387200

約数和(自身を除く): 5688467

約数列:

[1, 7, 23, 161, 397, 449, 2779, 3143, 9131, 10327, 63917, 72289, 178253, 1247771, 4099819, 28698733]

約数ペア:

[(1, 28698733), (7, 4099819), (23, 1247771), (161, 178253), (397, 72289), (449, 63917), (2779, 10327), (3143, 9131)]