81519522

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:216

約数の個数: 128

約数和(自身を含む): 212336640

約数和(自身を除く): 130817118

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 29, 31, 34, 42, 51, 58, 62, 87, 93, 102, 119, 127, 174, 186, 203, 217, 238, 254, 357, 381, 406, 434, 493, 527, 609, 651, 714, 762, 889, 899, 986, 1054, 1218, 1302, 1479, 1581, 1778, 1798, 2159, 2667, 2697, 2958, 3162, 3451, 3683, 3689, 3937, 4318, 5334, 5394, 6293, 6477, 6902, 7366, 7378, 7874, 10353, 11049, 11067, 11811, 12586, 12954, 15113, 15283, 18879, 20706, 22098, 22134, 23622, 25781, 27559, 30226, 30566, 37758, 45339, 45849, 51562, 55118, 62611, 66929, 77343, 82677, 90678, 91698, 106981, 114173, 125222, 133858, 154686, 165354, 187833, 200787, 213962, 228346, 320943, 342519, 375666, 401574, 438277, 468503, 641886, 685038, 799211, 876554, 937006, 1314831, 1405509, 1598422, 1940941, 2397633, 2629662, 2811018, 3881882, 4795266, 5822823, 11645646, 13586587, 27173174, 40759761, 81519522]

約数ペア:

[(1, 81519522), (2, 40759761), (3, 27173174), (6, 13586587), (7, 11645646), (14, 5822823), (17, 4795266), (21, 3881882), (29, 2811018), (31, 2629662), (34, 2397633), (42, 1940941), (51, 1598422), (58, 1405509), (62, 1314831), (87, 937006), (93, 876554), (102, 799211), (119, 685038), (127, 641886), (174, 468503), (186, 438277), (203, 401574), (217, 375666), (238, 342519), (254, 320943), (357, 228346), (381, 213962), (406, 200787), (434, 187833), (493, 165354), (527, 154686), (609, 133858), (651, 125222), (714, 114173), (762, 106981), (889, 91698), (899, 90678), (986, 82677), (1054, 77343), (1218, 66929), (1302, 62611), (1479, 55118), (1581, 51562), (1778, 45849), (1798, 45339), (2159, 37758), (2667, 30566), (2697, 30226), (2958, 27559), (3162, 25781), (3451, 23622), (3683, 22134), (3689, 22098), (3937, 20706), (4318, 18879), (5334, 15283), (5394, 15113), (6293, 12954), (6477, 12586), (6902, 11811), (7366, 11067), (7378, 11049), (7874, 10353)]