72509899

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:907

約数の個数: 32

約数和(自身を含む): 95956992

約数和(自身を除く): 23447093

約数列:

[1, 7, 11, 31, 37, 77, 217, 259, 341, 407, 821, 1147, 2387, 2849, 5747, 8029, 9031, 12617, 25451, 30377, 63217, 88319, 178157, 212639, 279961, 334147, 941687, 1959727, 2339029, 6591809, 10358557, 72509899]

約数ペア:

[(1, 72509899), (7, 10358557), (11, 6591809), (31, 2339029), (37, 1959727), (77, 941687), (217, 334147), (259, 279961), (341, 212639), (407, 178157), (821, 88319), (1147, 63217), (2387, 30377), (2849, 25451), (5747, 12617), (8029, 9031)]