209401976

素因数分解:

$2^3\times 7^1\times {\mathrm{971}}^1\times {\mathrm{3851}}^1$

素因数の和:4835

約数の個数: 32

約数和(自身を含む): 449297280

約数和(自身を除く): 239895304

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 971, 1942, 3851, 3884, 6797, 7702, 7768, 13594, 15404, 26957, 27188, 30808, 53914, 54376, 107828, 215656, 3739321, 7478642, 14957284, 26175247, 29914568, 52350494, 104700988, 209401976]

約数ペア:

[(1, 209401976), (2, 104700988), (4, 52350494), (7, 29914568), (8, 26175247), (14, 14957284), (28, 7478642), (56, 3739321), (971, 215656), (1942, 107828), (3851, 54376), (3884, 53914), (6797, 30808), (7702, 27188), (7768, 26957), (13594, 15404)]