51663205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 70622208

約数和(自身を除く): 18959003

約数列:

[1, 5, 11, 31, 55, 155, 157, 193, 341, 785, 965, 1705, 1727, 2123, 4867, 5983, 8635, 10615, 24335, 29915, 30301, 53537, 65813, 151505, 267685, 329065, 333311, 939331, 1666555, 4696655, 10332641, 51663205]

約数ペア:

[(1, 51663205), (5, 10332641), (11, 4696655), (31, 1666555), (55, 939331), (155, 333311), (157, 329065), (193, 267685), (341, 151505), (785, 65813), (965, 53537), (1705, 30301), (1727, 29915), (2123, 24335), (4867, 10615), (5983, 8635)]