89991605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1123}}^1$

素因数の和:1217

約数の個数: 32

約数和(自身を含む): 124305408

約数和(自身を除く): 34313803

約数列:

[1, 5, 11, 31, 47, 55, 155, 235, 341, 517, 1123, 1457, 1705, 2585, 5615, 7285, 12353, 16027, 34813, 52781, 61765, 80135, 174065, 263905, 382943, 580591, 1636211, 1914715, 2902955, 8181055, 17998321, 89991605]

約数ペア:

[(1, 89991605), (5, 17998321), (11, 8181055), (31, 2902955), (47, 1914715), (55, 1636211), (155, 580591), (235, 382943), (341, 263905), (517, 174065), (1123, 80135), (1457, 61765), (1705, 52781), (2585, 34813), (5615, 16027), (7285, 12353)]