218898719

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{1933}}^1$

素因数の和:2258

約数の個数: 16

約数和(自身を含む): 244333824

約数和(自身を除く): 25435105

約数列:

[1, 13, 31, 281, 403, 1933, 3653, 8711, 25129, 59923, 113243, 543173, 778999, 7061249, 16838363, 218898719]

約数ペア:

[(1, 218898719), (13, 16838363), (31, 7061249), (281, 778999), (403, 543173), (1933, 113243), (3653, 59923), (8711, 25129)]