78909985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{2113}}^1$

素因数の和:2233

約数の個数: 32

約数和(自身を含む): 119331072

約数和(自身を除く): 40421087

約数列:

[1, 5, 7, 11, 35, 55, 77, 97, 385, 485, 679, 1067, 2113, 3395, 5335, 7469, 10565, 14791, 23243, 37345, 73955, 116215, 162701, 204961, 813505, 1024805, 1434727, 2254571, 7173635, 11272855, 15781997, 78909985]

約数ペア:

[(1, 78909985), (5, 15781997), (7, 11272855), (11, 7173635), (35, 2254571), (55, 1434727), (77, 1024805), (97, 813505), (385, 204961), (485, 162701), (679, 116215), (1067, 73955), (2113, 37345), (3395, 23243), (5335, 14791), (7469, 10565)]