216345191

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1\times {\mathrm{911}}^1$

素因数の和:1390

約数の個数: 16

約数和(自身を含む): 236390400

約数和(自身を除く): 20045209

約数列:

[1, 19, 29, 431, 551, 911, 8189, 12499, 17309, 26419, 237481, 392641, 501961, 7460179, 11386589, 216345191]

約数ペア:

[(1, 216345191), (19, 11386589), (29, 7460179), (431, 501961), (551, 392641), (911, 237481), (8189, 26419), (12499, 17309)]