15661264

素因数分解:

$2^4\times {\mathrm{211}}^1\times {\mathrm{4639}}^1$

素因数の和:4858

約数の個数: 20

約数和(自身を含む): 30494080

約数和(自身を除く): 14832816

約数列:

[1, 2, 4, 8, 16, 211, 422, 844, 1688, 3376, 4639, 9278, 18556, 37112, 74224, 978829, 1957658, 3915316, 7830632, 15661264]

約数ペア:

[(1, 15661264), (2, 7830632), (4, 3915316), (8, 1957658), (16, 978829), (211, 74224), (422, 37112), (844, 18556), (1688, 9278), (3376, 4639)]