28672319

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{947}}^1$

素因数の和:1114

約数の個数: 16

約数和(自身を含む): 32967648

約数和(自身を除く): 4295329

約数列:

[1, 13, 17, 137, 221, 947, 1781, 2329, 12311, 16099, 30277, 129739, 209287, 1686607, 2205563, 28672319]

約数ペア:

[(1, 28672319), (13, 2205563), (17, 1686607), (137, 209287), (221, 129739), (947, 30277), (1781, 16099), (2329, 12311)]