208506512

素因数分解:

$2^4\times {\mathrm{617}}^1\times {\mathrm{21121}}^1$

素因数の和:21746

約数の個数: 20

約数和(自身を含む): 404655276

約数和(自身を除く): 196148764

約数列:

[1, 2, 4, 8, 16, 617, 1234, 2468, 4936, 9872, 21121, 42242, 84484, 168968, 337936, 13031657, 26063314, 52126628, 104253256, 208506512]

約数ペア:

[(1, 208506512), (2, 104253256), (4, 52126628), (8, 26063314), (16, 13031657), (617, 337936), (1234, 168968), (2468, 84484), (4936, 42242), (9872, 21121)]