1291288276

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{30637}}^1$

素因数の和:30939

約数の個数: 24

約数和(自身を含む): 2323953576

約数和(自身を除く): 1032665300

約数列:

[1, 2, 4, 41, 82, 164, 257, 514, 1028, 10537, 21074, 30637, 42148, 61274, 122548, 1256117, 2512234, 5024468, 7873709, 15747418, 31494836, 322822069, 645644138, 1291288276]

約数ペア:

[(1, 1291288276), (2, 645644138), (4, 322822069), (41, 31494836), (82, 15747418), (164, 7873709), (257, 5024468), (514, 2512234), (1028, 1256117), (10537, 122548), (21074, 61274), (30637, 42148)]