217478826

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:412

約数の個数: 96

約数和(自身を含む): 520865280

約数和(自身を除く): 303386454

約数列:

[1, 2, 3, 6, 9, 18, 19, 31, 38, 57, 62, 73, 93, 114, 146, 171, 186, 219, 279, 281, 342, 438, 558, 562, 589, 657, 843, 1178, 1314, 1387, 1686, 1767, 2263, 2529, 2774, 3534, 4161, 4526, 5058, 5301, 5339, 6789, 8322, 8711, 10602, 10678, 12483, 13578, 16017, 17422, 20367, 20513, 24966, 26133, 32034, 40734, 41026, 42997, 48051, 52266, 61539, 78399, 85994, 96102, 123078, 128991, 156798, 165509, 184617, 257982, 331018, 369234, 386973, 389747, 496527, 635903, 773946, 779494, 993054, 1169241, 1271806, 1489581, 1907709, 2338482, 2979162, 3507723, 3815418, 5723127, 7015446, 11446254, 12082157, 24164314, 36246471, 72492942, 108739413, 217478826]

約数ペア:

[(1, 217478826), (2, 108739413), (3, 72492942), (6, 36246471), (9, 24164314), (18, 12082157), (19, 11446254), (31, 7015446), (38, 5723127), (57, 3815418), (62, 3507723), (73, 2979162), (93, 2338482), (114, 1907709), (146, 1489581), (171, 1271806), (186, 1169241), (219, 993054), (279, 779494), (281, 773946), (342, 635903), (438, 496527), (558, 389747), (562, 386973), (589, 369234), (657, 331018), (843, 257982), (1178, 184617), (1314, 165509), (1387, 156798), (1686, 128991), (1767, 123078), (2263, 96102), (2529, 85994), (2774, 78399), (3534, 61539), (4161, 52266), (4526, 48051), (5058, 42997), (5301, 41026), (5339, 40734), (6789, 32034), (8322, 26133), (8711, 24966), (10602, 20513), (10678, 20367), (12483, 17422), (13578, 16017)]