221704728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{317}}^1$

素因数の和:537

約数の個数: 128

約数和(自身を含む): 666731520

約数和(自身を除く): 445026792

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 69, 84, 92, 138, 161, 168, 181, 184, 276, 317, 322, 362, 483, 543, 552, 634, 644, 724, 951, 966, 1086, 1267, 1268, 1288, 1448, 1902, 1932, 2172, 2219, 2534, 2536, 3801, 3804, 3864, 4163, 4344, 4438, 5068, 6657, 7291, 7602, 7608, 8326, 8876, 10136, 12489, 13314, 14582, 15204, 16652, 17752, 21873, 24978, 26628, 29141, 29164, 30408, 33304, 43746, 49956, 51037, 53256, 57377, 58282, 58328, 87423, 87492, 99912, 102074, 114754, 116564, 153111, 172131, 174846, 174984, 204148, 229508, 233128, 306222, 344262, 349692, 401639, 408296, 459016, 612444, 688524, 699384, 803278, 1204917, 1224888, 1319671, 1377048, 1606556, 2409834, 2639342, 3213112, 3959013, 4819668, 5278684, 7918026, 9237697, 9639336, 10557368, 15836052, 18475394, 27713091, 31672104, 36950788, 55426182, 73901576, 110852364, 221704728]

約数ペア:

[(1, 221704728), (2, 110852364), (3, 73901576), (4, 55426182), (6, 36950788), (7, 31672104), (8, 27713091), (12, 18475394), (14, 15836052), (21, 10557368), (23, 9639336), (24, 9237697), (28, 7918026), (42, 5278684), (46, 4819668), (56, 3959013), (69, 3213112), (84, 2639342), (92, 2409834), (138, 1606556), (161, 1377048), (168, 1319671), (181, 1224888), (184, 1204917), (276, 803278), (317, 699384), (322, 688524), (362, 612444), (483, 459016), (543, 408296), (552, 401639), (634, 349692), (644, 344262), (724, 306222), (951, 233128), (966, 229508), (1086, 204148), (1267, 174984), (1268, 174846), (1288, 172131), (1448, 153111), (1902, 116564), (1932, 114754), (2172, 102074), (2219, 99912), (2534, 87492), (2536, 87423), (3801, 58328), (3804, 58282), (3864, 57377), (4163, 53256), (4344, 51037), (4438, 49956), (5068, 43746), (6657, 33304), (7291, 30408), (7602, 29164), (7608, 29141), (8326, 26628), (8876, 24978), (10136, 21873), (12489, 17752), (13314, 16652), (14582, 15204)]