221577719

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{18773}}^1$

素因数の和:18850

約数の個数: 16

約数和(自身を含む): 256828320

約数和(自身を除く): 35250601

約数列:

[1, 11, 29, 37, 319, 407, 1073, 11803, 18773, 206503, 544417, 694601, 5988587, 7640611, 20143429, 221577719]

約数ペア:

[(1, 221577719), (11, 20143429), (29, 7640611), (37, 5988587), (319, 694601), (407, 544417), (1073, 206503), (11803, 18773)]