66778899551

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{2039}}^1$

素因数の和:2304

約数の個数: 64

約数和(自身を含む): 86266736640

約数和(自身を除く): 19487837089

約数列:

[1, 7, 13, 37, 71, 91, 137, 259, 481, 497, 923, 959, 1781, 2039, 2627, 3367, 5069, 6461, 9727, 12467, 14273, 18389, 26507, 34151, 35483, 65897, 68089, 75443, 126451, 144769, 185549, 239057, 279343, 359899, 461279, 528101, 885157, 980759, 1013383, 1881997, 1955401, 2519293, 3631459, 4678687, 5356453, 6865313, 10335691, 13173979, 19833353, 25420213, 32750809, 37495171, 69633889, 72349837, 134363983, 138833471, 257833589, 487437223, 733834061, 940547881, 1804835123, 5136838427, 9539842793, 66778899551]

約数ペア:

[(1, 66778899551), (7, 9539842793), (13, 5136838427), (37, 1804835123), (71, 940547881), (91, 733834061), (137, 487437223), (259, 257833589), (481, 138833471), (497, 134363983), (923, 72349837), (959, 69633889), (1781, 37495171), (2039, 32750809), (2627, 25420213), (3367, 19833353), (5069, 13173979), (6461, 10335691), (9727, 6865313), (12467, 5356453), (14273, 4678687), (18389, 3631459), (26507, 2519293), (34151, 1955401), (35483, 1881997), (65897, 1013383), (68089, 980759), (75443, 885157), (126451, 528101), (144769, 461279), (185549, 359899), (239057, 279343)]