219986585

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{4787}}^1$

素因数の和:4913

約数の個数: 32

約数和(自身を含む): 328188672

約数和(自身を除く): 108202087

約数列:

[1, 5, 7, 13, 35, 65, 91, 101, 455, 505, 707, 1313, 3535, 4787, 6565, 9191, 23935, 33509, 45955, 62231, 167545, 311155, 435617, 483487, 2178085, 2417435, 3384409, 6285331, 16922045, 31426655, 43997317, 219986585]

約数ペア:

[(1, 219986585), (5, 43997317), (7, 31426655), (13, 16922045), (35, 6285331), (65, 3384409), (91, 2417435), (101, 2178085), (455, 483487), (505, 435617), (707, 311155), (1313, 167545), (3535, 62231), (4787, 45955), (6565, 33509), (9191, 23935)]