826561788

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{278867}}^1$

素因数の和:278906

約数の個数: 48

約数和(自身を含む): 2186325120

約数和(自身を除く): 1359763332

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 278867, 557734, 836601, 1115468, 1673202, 3346404, 3625271, 5298473, 7250542, 10596946, 10875813, 14501084, 15895419, 21193892, 21751626, 31790838, 43503252, 63581676, 68880149, 137760298, 206640447, 275520596, 413280894, 826561788]

約数ペア:

[(1, 826561788), (2, 413280894), (3, 275520596), (4, 206640447), (6, 137760298), (12, 68880149), (13, 63581676), (19, 43503252), (26, 31790838), (38, 21751626), (39, 21193892), (52, 15895419), (57, 14501084), (76, 10875813), (78, 10596946), (114, 7250542), (156, 5298473), (228, 3625271), (247, 3346404), (494, 1673202), (741, 1115468), (988, 836601), (1482, 557734), (2964, 278867)]