25540218

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:145

約数の個数: 128

約数和(自身を含む): 68198400

約数和(自身を除く): 42658182

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 27, 31, 33, 38, 54, 57, 62, 66, 73, 93, 99, 114, 146, 171, 186, 198, 209, 219, 279, 297, 341, 342, 418, 438, 513, 558, 589, 594, 627, 657, 682, 803, 837, 1023, 1026, 1178, 1254, 1314, 1387, 1606, 1674, 1767, 1881, 1971, 2046, 2263, 2409, 2774, 3069, 3534, 3762, 3942, 4161, 4526, 4818, 5301, 5643, 6138, 6479, 6789, 7227, 8322, 9207, 10602, 11286, 12483, 12958, 13578, 14454, 15257, 15903, 18414, 19437, 20367, 21681, 24893, 24966, 30514, 31806, 37449, 38874, 40734, 42997, 43362, 45771, 49786, 58311, 61101, 74679, 74898, 85994, 91542, 116622, 122202, 128991, 137313, 149358, 174933, 224037, 257982, 274626, 349866, 386973, 411939, 448074, 472967, 672111, 773946, 823878, 945934, 1160919, 1344222, 1418901, 2321838, 2837802, 4256703, 8513406, 12770109, 25540218]

約数ペア:

[(1, 25540218), (2, 12770109), (3, 8513406), (6, 4256703), (9, 2837802), (11, 2321838), (18, 1418901), (19, 1344222), (22, 1160919), (27, 945934), (31, 823878), (33, 773946), (38, 672111), (54, 472967), (57, 448074), (62, 411939), (66, 386973), (73, 349866), (93, 274626), (99, 257982), (114, 224037), (146, 174933), (171, 149358), (186, 137313), (198, 128991), (209, 122202), (219, 116622), (279, 91542), (297, 85994), (341, 74898), (342, 74679), (418, 61101), (438, 58311), (513, 49786), (558, 45771), (589, 43362), (594, 42997), (627, 40734), (657, 38874), (682, 37449), (803, 31806), (837, 30514), (1023, 24966), (1026, 24893), (1178, 21681), (1254, 20367), (1314, 19437), (1387, 18414), (1606, 15903), (1674, 15257), (1767, 14454), (1881, 13578), (1971, 12958), (2046, 12483), (2263, 11286), (2409, 10602), (2774, 9207), (3069, 8322), (3534, 7227), (3762, 6789), (3942, 6479), (4161, 6138), (4526, 5643), (4818, 5301)]