15780002

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{38867}}^1$

素因数の和:38905

約数の個数: 16

約数和(自身を含む): 27984960

約数和(自身を除く): 12204958

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 38867, 77734, 272069, 544138, 1127143, 2254286, 7890001, 15780002]

約数ペア:

[(1, 15780002), (2, 7890001), (7, 2254286), (14, 1127143), (29, 544138), (58, 272069), (203, 77734), (406, 38867)]