12657428

素因数分解:

$2^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1801}}^1$

素因数の和:2063

約数の個数: 24

約数和(自身を含む): 25429824

約数和(自身を除く): 12772396

約数列:

[1, 2, 4, 7, 14, 28, 251, 502, 1004, 1757, 1801, 3514, 3602, 7028, 7204, 12607, 25214, 50428, 452051, 904102, 1808204, 3164357, 6328714, 12657428]

約数ペア:

[(1, 12657428), (2, 6328714), (4, 3164357), (7, 1808204), (14, 904102), (28, 452051), (251, 50428), (502, 25214), (1004, 12607), (1757, 7204), (1801, 7028), (3514, 3602)]