1781919906

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{311}}^1$

素因数の和:524

約数の個数: 128

約数和(自身を含む): 4245696000

約数和(自身を除く): 2463776094

約数列:

[1, 2, 3, 6, 13, 17, 26, 29, 34, 39, 51, 58, 78, 87, 102, 149, 174, 221, 298, 311, 377, 442, 447, 493, 622, 663, 754, 894, 933, 986, 1131, 1326, 1479, 1866, 1937, 2262, 2533, 2958, 3874, 4043, 4321, 5066, 5287, 5811, 6409, 7599, 8086, 8642, 9019, 10574, 11622, 12129, 12818, 12963, 15198, 15861, 18038, 19227, 24258, 25926, 27057, 31722, 32929, 38454, 46339, 54114, 56173, 65858, 68731, 73457, 92678, 98787, 112346, 117247, 137462, 139017, 146914, 153323, 168519, 197574, 206193, 220371, 234494, 278034, 306646, 337038, 351741, 412386, 440742, 459969, 602407, 703482, 787763, 919938, 954941, 1204814, 1343831, 1575526, 1807221, 1909882, 1993199, 2363289, 2687662, 2864823, 3614442, 3986398, 4031493, 4726578, 5729646, 5979597, 8062986, 10240919, 11959194, 17469803, 20481838, 22845127, 30722757, 34939606, 45690254, 52409409, 61445514, 68535381, 104818818, 137070762, 296986651, 593973302, 890959953, 1781919906]

約数ペア:

[(1, 1781919906), (2, 890959953), (3, 593973302), (6, 296986651), (13, 137070762), (17, 104818818), (26, 68535381), (29, 61445514), (34, 52409409), (39, 45690254), (51, 34939606), (58, 30722757), (78, 22845127), (87, 20481838), (102, 17469803), (149, 11959194), (174, 10240919), (221, 8062986), (298, 5979597), (311, 5729646), (377, 4726578), (442, 4031493), (447, 3986398), (493, 3614442), (622, 2864823), (663, 2687662), (754, 2363289), (894, 1993199), (933, 1909882), (986, 1807221), (1131, 1575526), (1326, 1343831), (1479, 1204814), (1866, 954941), (1937, 919938), (2262, 787763), (2533, 703482), (2958, 602407), (3874, 459969), (4043, 440742), (4321, 412386), (5066, 351741), (5287, 337038), (5811, 306646), (6409, 278034), (7599, 234494), (8086, 220371), (8642, 206193), (9019, 197574), (10574, 168519), (11622, 153323), (12129, 146914), (12818, 139017), (12963, 137462), (15198, 117247), (15861, 112346), (18038, 98787), (19227, 92678), (24258, 73457), (25926, 68731), (27057, 65858), (31722, 56173), (32929, 54114), (38454, 46339)]