978889158

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{929}}^1$

素因数の和:1051

約数の個数: 128

約数和(自身を含む): 2499840000

約数和(自身を除く): 1520950842

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 38, 39, 54, 57, 78, 79, 114, 117, 158, 171, 234, 237, 247, 342, 351, 474, 494, 513, 702, 711, 741, 929, 1026, 1027, 1422, 1482, 1501, 1858, 2054, 2133, 2223, 2787, 3002, 3081, 4266, 4446, 4503, 5574, 6162, 6669, 8361, 9006, 9243, 12077, 13338, 13509, 16722, 17651, 18486, 19513, 24154, 25083, 27018, 27729, 35302, 36231, 39026, 40527, 50166, 52953, 55458, 58539, 72462, 73391, 81054, 105906, 108693, 117078, 146782, 158859, 175617, 217386, 220173, 229463, 317718, 326079, 351234, 440346, 458926, 476577, 526851, 652158, 660519, 688389, 953154, 954083, 1053702, 1321038, 1376778, 1394429, 1908166, 1981557, 2065167, 2788858, 2862249, 3963114, 4130334, 4183287, 5724498, 6195501, 8366574, 8586747, 12391002, 12549861, 17173494, 18127577, 25099722, 25760241, 36255154, 37649583, 51520482, 54382731, 75299166, 108765462, 163148193, 326296386, 489444579, 978889158]

約数ペア:

[(1, 978889158), (2, 489444579), (3, 326296386), (6, 163148193), (9, 108765462), (13, 75299166), (18, 54382731), (19, 51520482), (26, 37649583), (27, 36255154), (38, 25760241), (39, 25099722), (54, 18127577), (57, 17173494), (78, 12549861), (79, 12391002), (114, 8586747), (117, 8366574), (158, 6195501), (171, 5724498), (234, 4183287), (237, 4130334), (247, 3963114), (342, 2862249), (351, 2788858), (474, 2065167), (494, 1981557), (513, 1908166), (702, 1394429), (711, 1376778), (741, 1321038), (929, 1053702), (1026, 954083), (1027, 953154), (1422, 688389), (1482, 660519), (1501, 652158), (1858, 526851), (2054, 476577), (2133, 458926), (2223, 440346), (2787, 351234), (3002, 326079), (3081, 317718), (4266, 229463), (4446, 220173), (4503, 217386), (5574, 175617), (6162, 158859), (6669, 146782), (8361, 117078), (9006, 108693), (9243, 105906), (12077, 81054), (13338, 73391), (13509, 72462), (16722, 58539), (17651, 55458), (18486, 52953), (19513, 50166), (24154, 40527), (25083, 39026), (27018, 36231), (27729, 35302)]