28667387

素因数分解:

$7^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1\times {\mathrm{179}}^1$

素因数の和:490

約数の個数: 16

約数和(自身を含む): 33384960

約数和(自身を除く): 4717573

約数列:

[1, 7, 137, 167, 179, 959, 1169, 1253, 22879, 24523, 29893, 160153, 171661, 209251, 4095341, 28667387]

約数ペア:

[(1, 28667387), (7, 4095341), (137, 209251), (167, 171661), (179, 160153), (959, 29893), (1169, 24523), (1253, 22879)]