2788897986

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1\times {\mathrm{479}}^1$

素因数の和:781

約数の個数: 128

約数和(自身を含む): 7229030400

約数和(自身を除く): 4440132414

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 73, 126, 146, 189, 211, 219, 378, 422, 438, 479, 511, 633, 657, 958, 1022, 1266, 1314, 1437, 1477, 1533, 1899, 1971, 2874, 2954, 3066, 3353, 3798, 3942, 4311, 4431, 4599, 5697, 6706, 8622, 8862, 9198, 10059, 11394, 12933, 13293, 13797, 15403, 20118, 25866, 26586, 27594, 30177, 30806, 34967, 39879, 46209, 60354, 69934, 79758, 90531, 92418, 101069, 104901, 107821, 138627, 181062, 202138, 209802, 215642, 244769, 277254, 303207, 314703, 323463, 415881, 489538, 606414, 629406, 646926, 707483, 734307, 831762, 909621, 944109, 970389, 1414966, 1468614, 1819242, 1888218, 1940778, 2122449, 2202921, 2728863, 2911167, 4244898, 4405842, 5457726, 5822334, 6367347, 6608763, 7378037, 12734694, 13217526, 14756074, 19102041, 22134111, 38204082, 44268222, 51646259, 66402333, 103292518, 132804666, 154938777, 199206999, 309877554, 398413998, 464816331, 929632662, 1394448993, 2788897986]

約数ペア:

[(1, 2788897986), (2, 1394448993), (3, 929632662), (6, 464816331), (7, 398413998), (9, 309877554), (14, 199206999), (18, 154938777), (21, 132804666), (27, 103292518), (42, 66402333), (54, 51646259), (63, 44268222), (73, 38204082), (126, 22134111), (146, 19102041), (189, 14756074), (211, 13217526), (219, 12734694), (378, 7378037), (422, 6608763), (438, 6367347), (479, 5822334), (511, 5457726), (633, 4405842), (657, 4244898), (958, 2911167), (1022, 2728863), (1266, 2202921), (1314, 2122449), (1437, 1940778), (1477, 1888218), (1533, 1819242), (1899, 1468614), (1971, 1414966), (2874, 970389), (2954, 944109), (3066, 909621), (3353, 831762), (3798, 734307), (3942, 707483), (4311, 646926), (4431, 629406), (4599, 606414), (5697, 489538), (6706, 415881), (8622, 323463), (8862, 314703), (9198, 303207), (10059, 277254), (11394, 244769), (12933, 215642), (13293, 209802), (13797, 202138), (15403, 181062), (20118, 138627), (25866, 107821), (26586, 104901), (27594, 101069), (30177, 92418), (30806, 90531), (34967, 79758), (39879, 69934), (46209, 60354)]