220417631

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{367}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 275558400

約数和(自身を除く): 55140769

約数列:

[1, 7, 17, 49, 103, 119, 343, 367, 721, 833, 1751, 2569, 5047, 5831, 6239, 12257, 17983, 35329, 37801, 43673, 85799, 125881, 264607, 305711, 600593, 642617, 1852249, 2139977, 4498319, 12965743, 31488233, 220417631]

約数ペア:

[(1, 220417631), (7, 31488233), (17, 12965743), (49, 4498319), (103, 2139977), (119, 1852249), (343, 642617), (367, 600593), (721, 305711), (833, 264607), (1751, 125881), (2569, 85799), (5047, 43673), (5831, 37801), (6239, 35329), (12257, 17983)]