397435928

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{67961}}^1$

素因数の和:68027

約数の個数: 32

約数和(自身を含む): 807388560

約数和(自身を除く): 409952632

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 172, 344, 731, 1462, 2924, 5848, 67961, 135922, 271844, 543688, 1155337, 2310674, 2922323, 4621348, 5844646, 9242696, 11689292, 23378584, 49679491, 99358982, 198717964, 397435928]

約数ペア:

[(1, 397435928), (2, 198717964), (4, 99358982), (8, 49679491), (17, 23378584), (34, 11689292), (43, 9242696), (68, 5844646), (86, 4621348), (136, 2922323), (172, 2310674), (344, 1155337), (731, 543688), (1462, 271844), (2924, 135922), (5848, 67961)]