12961808

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{5437}}^1$

素因数の和:5594

約数の個数: 20

約数和(自身を含む): 25286700

約数和(自身を除く): 12324892

約数列:

[1, 2, 4, 8, 16, 149, 298, 596, 1192, 2384, 5437, 10874, 21748, 43496, 86992, 810113, 1620226, 3240452, 6480904, 12961808]

約数ペア:

[(1, 12961808), (2, 6480904), (4, 3240452), (8, 1620226), (16, 810113), (149, 86992), (298, 43496), (596, 21748), (1192, 10874), (2384, 5437)]