12813199

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{431}}^1$

素因数の和:606

約数の個数: 16

約数和(自身を含む): 15261696

約数和(自身を除く): 2448497

約数列:

[1, 7, 31, 137, 217, 431, 959, 3017, 4247, 13361, 29729, 59047, 93527, 413329, 1830457, 12813199]

約数ペア:

[(1, 12813199), (7, 1830457), (31, 413329), (137, 93527), (217, 59047), (431, 29729), (959, 13361), (3017, 4247)]