215977979

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{4211}}^1$

素因数の和:4666

約数の個数: 16

約数和(自身を含む): 262020096

約数和(自身を除く): 46042117

約数列:

[1, 7, 17, 119, 431, 3017, 4211, 7327, 29477, 51289, 71587, 501109, 1814941, 12704587, 30853997, 215977979]

約数ペア:

[(1, 215977979), (7, 30853997), (17, 12704587), (119, 1814941), (431, 501109), (3017, 71587), (4211, 51289), (7327, 29477)]