388165631

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 470446080

約数和(自身を除く): 82280449

約数列:

[1, 7, 37, 61, 79, 259, 311, 427, 553, 2177, 2257, 2923, 4819, 11507, 15799, 18971, 20461, 24569, 33733, 80549, 132797, 171983, 178303, 701927, 909053, 1248121, 1498709, 4913489, 6363371, 10490963, 55452233, 388165631]

約数ペア:

[(1, 388165631), (7, 55452233), (37, 10490963), (61, 6363371), (79, 4913489), (259, 1498709), (311, 1248121), (427, 909053), (553, 701927), (2177, 178303), (2257, 171983), (2923, 132797), (4819, 80549), (11507, 33733), (15799, 24569), (18971, 20461)]