28754089

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18587}}^1$

素因数の和:18624

約数の個数: 16

約数和(自身を含む): 37473408

約数和(自身を除く): 8719319

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 18587, 130109, 241631, 315979, 1691417, 2211853, 4107727, 28754089]

約数ペア:

[(1, 28754089), (7, 4107727), (13, 2211853), (17, 1691417), (91, 315979), (119, 241631), (221, 130109), (1547, 18587)]