65553887

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 84851712

約数和(自身を除く): 19297825

約数列:

[1, 7, 17, 23, 43, 119, 161, 301, 391, 557, 731, 989, 2737, 3899, 5117, 6923, 9469, 12811, 16813, 23951, 66283, 89677, 117691, 167657, 217787, 407167, 550873, 1524509, 2850169, 3856111, 9364841, 65553887]

約数ペア:

[(1, 65553887), (7, 9364841), (17, 3856111), (23, 2850169), (43, 1524509), (119, 550873), (161, 407167), (301, 217787), (391, 167657), (557, 117691), (731, 89677), (989, 66283), (2737, 23951), (3899, 16813), (5117, 12811), (6923, 9469)]