278404321

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{38867}}^1$

素因数の和:38928

約数の個数: 16

約数和(自身を含む): 326491200

約数和(自身を除く): 48086879

約数列:

[1, 13, 19, 29, 247, 377, 551, 7163, 38867, 505271, 738473, 1127143, 9600149, 14652859, 21415717, 278404321]

約数ペア:

[(1, 278404321), (13, 21415717), (19, 14652859), (29, 9600149), (247, 1127143), (377, 738473), (551, 505271), (7163, 38867)]