221497196978

素因数分解:

$2^1\times {\mathrm{41}}^2\times {\mathrm{1279}}^1\times {\mathrm{51511}}^1$

素因数の和:52874

約数の個数: 24

約数和(自身を含む): 340819875840

約数和(自身を除く): 119322678862

約数列:

[1, 2, 41, 82, 1279, 1681, 2558, 3362, 51511, 52439, 103022, 104878, 2111951, 2149999, 4223902, 4299998, 65882569, 86589991, 131765138, 173179982, 2701185329, 5402370658, 110748598489, 221497196978]

約数ペア:

[(1, 221497196978), (2, 110748598489), (41, 5402370658), (82, 2701185329), (1279, 173179982), (1681, 131765138), (2558, 86589991), (3362, 65882569), (51511, 4299998), (52439, 4223902), (103022, 2149999), (104878, 2111951)]