1956557512

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{269}}^1$

素因数の和:495

約数の個数: 128

約数和(自身を含む): 4623091200

約数和(自身を除く): 2666533688

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 97, 103, 104, 182, 194, 206, 269, 364, 388, 412, 538, 679, 721, 728, 776, 824, 1076, 1261, 1339, 1358, 1442, 1883, 2152, 2522, 2678, 2716, 2884, 3497, 3766, 5044, 5356, 5432, 5768, 6994, 7532, 8827, 9373, 9991, 10088, 10712, 13988, 15064, 17654, 18746, 19982, 24479, 26093, 27707, 27976, 35308, 37492, 39964, 48958, 52186, 55414, 69937, 70616, 74984, 79928, 97916, 104372, 110828, 129883, 139874, 182651, 193949, 195832, 208744, 221656, 259766, 279748, 339209, 360191, 365302, 387898, 519532, 559496, 678418, 720382, 730604, 775796, 909181, 1039064, 1356836, 1440764, 1461208, 1551592, 1818362, 2374463, 2521337, 2687579, 2713672, 2881528, 3636724, 4748926, 5042674, 5375158, 7273448, 9497852, 10085348, 10750316, 18813053, 18995704, 20170696, 21500632, 34938527, 37626106, 69877054, 75252212, 139754108, 150504424, 244569689, 279508216, 489139378, 978278756, 1956557512]

約数ペア:

[(1, 1956557512), (2, 978278756), (4, 489139378), (7, 279508216), (8, 244569689), (13, 150504424), (14, 139754108), (26, 75252212), (28, 69877054), (52, 37626106), (56, 34938527), (91, 21500632), (97, 20170696), (103, 18995704), (104, 18813053), (182, 10750316), (194, 10085348), (206, 9497852), (269, 7273448), (364, 5375158), (388, 5042674), (412, 4748926), (538, 3636724), (679, 2881528), (721, 2713672), (728, 2687579), (776, 2521337), (824, 2374463), (1076, 1818362), (1261, 1551592), (1339, 1461208), (1358, 1440764), (1442, 1356836), (1883, 1039064), (2152, 909181), (2522, 775796), (2678, 730604), (2716, 720382), (2884, 678418), (3497, 559496), (3766, 519532), (5044, 387898), (5356, 365302), (5432, 360191), (5768, 339209), (6994, 279748), (7532, 259766), (8827, 221656), (9373, 208744), (9991, 195832), (10088, 193949), (10712, 182651), (13988, 139874), (15064, 129883), (17654, 110828), (18746, 104372), (19982, 97916), (24479, 79928), (26093, 74984), (27707, 70616), (27976, 69937), (35308, 55414), (37492, 52186), (39964, 48958)]