217871953

素因数分解:

${\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1\times {\mathrm{353}}^1$

素因数の和:804

約数の個数: 16

約数和(自身を含む): 237471696

約数和(自身を除く): 19599743

約数列:

[1, 13, 197, 241, 353, 2561, 3133, 4589, 47477, 69541, 85073, 617201, 904033, 1105949, 16759381, 217871953]

約数ペア:

[(1, 217871953), (13, 16759381), (197, 1105949), (241, 904033), (353, 617201), (2561, 85073), (3133, 69541), (4589, 47477)]