7213855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4231}}^1$

素因数の和:4278

約数の個数: 16

約数和(自身を含む): 9750528

約数和(自身を除く): 2536673

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 4231, 21155, 46541, 131161, 232705, 655805, 1442771, 7213855]

約数ペア:

[(1, 7213855), (5, 1442771), (11, 655805), (31, 232705), (55, 131161), (155, 46541), (341, 21155), (1705, 4231)]