72878518

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{1997}}^1$

素因数の和:2327

約数の個数: 16

約数和(自身を含む): 111344544

約数和(自身を除く): 38466026

約数列:

[1, 2, 71, 142, 257, 514, 1997, 3994, 18247, 36494, 141787, 283574, 513229, 1026458, 36439259, 72878518]

約数ペア:

[(1, 72878518), (2, 36439259), (71, 1026458), (142, 513229), (257, 283574), (514, 141787), (1997, 36494), (3994, 18247)]