15661072

素因数分解:

$2^4\times 7^1\times {\mathrm{139831}}^1$

素因数の和:139846

約数の個数: 20

約数和(自身を含む): 34678336

約数和(自身を除く): 19017264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139831, 279662, 559324, 978817, 1118648, 1957634, 2237296, 3915268, 7830536, 15661072]

約数ペア:

[(1, 15661072), (2, 7830536), (4, 3915268), (7, 2237296), (8, 1957634), (14, 1118648), (16, 978817), (28, 559324), (56, 279662), (112, 139831)]