220338349

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{971}}^1$

素因数の和:1417

約数の個数: 24

約数和(自身を含む): 280565856

約数和(自身を除く): 60227507

約数列:

[1, 7, 11, 49, 77, 421, 539, 971, 2947, 4631, 6797, 10681, 20629, 32417, 47579, 74767, 226919, 408791, 523369, 2861537, 4496701, 20030759, 31476907, 220338349]

約数ペア:

[(1, 220338349), (7, 31476907), (11, 20030759), (49, 4496701), (77, 2861537), (421, 523369), (539, 408791), (971, 226919), (2947, 74767), (4631, 47579), (6797, 32417), (10681, 20629)]