216222565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{175079}}^1$

素因数の和:175116

約数の個数: 16

約数和(自身を含む): 294134400

約数和(自身を除く): 77911835

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 175079, 875395, 2276027, 3326501, 11380135, 16632505, 43244513, 216222565]

約数ペア:

[(1, 216222565), (5, 43244513), (13, 16632505), (19, 11380135), (65, 3326501), (95, 2276027), (247, 875395), (1235, 175079)]