129172856

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{821}}^1$

素因数の和:1175

約数の個数: 32

約数和(自身を含む): 246797280

約数和(自身を除く): 117624424

約数列:

[1, 2, 4, 8, 71, 142, 277, 284, 554, 568, 821, 1108, 1642, 2216, 3284, 6568, 19667, 39334, 58291, 78668, 116582, 157336, 227417, 233164, 454834, 466328, 909668, 1819336, 16146607, 32293214, 64586428, 129172856]

約数ペア:

[(1, 129172856), (2, 64586428), (4, 32293214), (8, 16146607), (71, 1819336), (142, 909668), (277, 466328), (284, 454834), (554, 233164), (568, 227417), (821, 157336), (1108, 116582), (1642, 78668), (2216, 58291), (3284, 39334), (6568, 19667)]