51551045

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{827}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 76785408

約数和(自身を除く): 25234363

約数列:

[1, 5, 7, 13, 35, 65, 91, 137, 455, 685, 827, 959, 1781, 4135, 4795, 5789, 8905, 10751, 12467, 28945, 53755, 62335, 75257, 113299, 376285, 566495, 793093, 1472887, 3965465, 7364435, 10310209, 51551045]

約数ペア:

[(1, 51551045), (5, 10310209), (7, 7364435), (13, 3965465), (35, 1472887), (65, 793093), (91, 566495), (137, 376285), (455, 113299), (685, 75257), (827, 62335), (959, 53755), (1781, 28945), (4135, 12467), (4795, 10751), (5789, 8905)]