221031822

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:513

約数の個数: 64

約数和(自身を含む): 493081344

約数和(自身を除く): 272049522

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 83, 157, 166, 249, 257, 314, 471, 498, 514, 771, 913, 942, 1542, 1727, 1826, 2739, 2827, 3454, 5181, 5478, 5654, 8481, 10362, 13031, 16962, 21331, 26062, 39093, 40349, 42662, 63993, 78186, 80698, 121047, 127986, 143341, 234641, 242094, 286682, 430023, 443839, 469282, 703923, 860046, 887678, 1331517, 1407846, 2663034, 3348967, 6697934, 10046901, 20093802, 36838637, 73677274, 110515911, 221031822]

約数ペア:

[(1, 221031822), (2, 110515911), (3, 73677274), (6, 36838637), (11, 20093802), (22, 10046901), (33, 6697934), (66, 3348967), (83, 2663034), (157, 1407846), (166, 1331517), (249, 887678), (257, 860046), (314, 703923), (471, 469282), (498, 443839), (514, 430023), (771, 286682), (913, 242094), (942, 234641), (1542, 143341), (1727, 127986), (1826, 121047), (2739, 80698), (2827, 78186), (3454, 63993), (5181, 42662), (5478, 40349), (5654, 39093), (8481, 26062), (10362, 21331), (13031, 16962)]