281464248

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:749

約数の個数: 128

約数和(自身を含む): 804948480

約数和(自身を除く): 523484232

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 61, 69, 78, 92, 104, 122, 138, 156, 183, 184, 244, 276, 299, 312, 366, 488, 552, 598, 643, 732, 793, 897, 1196, 1286, 1403, 1464, 1586, 1794, 1929, 2379, 2392, 2572, 2806, 3172, 3588, 3858, 4209, 4758, 5144, 5612, 6344, 7176, 7716, 8359, 8418, 9516, 11224, 14789, 15432, 16718, 16836, 18239, 19032, 25077, 29578, 33436, 33672, 36478, 39223, 44367, 50154, 54717, 59156, 66872, 72956, 78446, 88734, 100308, 109434, 117669, 118312, 145912, 156892, 177468, 192257, 200616, 218868, 235338, 313784, 354936, 384514, 437736, 470676, 509899, 576771, 769028, 902129, 941352, 1019798, 1153542, 1529697, 1538056, 1804258, 2039596, 2307084, 2706387, 3059394, 3608516, 4079192, 4614168, 5412774, 6118788, 7217032, 10825548, 11727677, 12237576, 21651096, 23455354, 35183031, 46910708, 70366062, 93821416, 140732124, 281464248]

約数ペア:

[(1, 281464248), (2, 140732124), (3, 93821416), (4, 70366062), (6, 46910708), (8, 35183031), (12, 23455354), (13, 21651096), (23, 12237576), (24, 11727677), (26, 10825548), (39, 7217032), (46, 6118788), (52, 5412774), (61, 4614168), (69, 4079192), (78, 3608516), (92, 3059394), (104, 2706387), (122, 2307084), (138, 2039596), (156, 1804258), (183, 1538056), (184, 1529697), (244, 1153542), (276, 1019798), (299, 941352), (312, 902129), (366, 769028), (488, 576771), (552, 509899), (598, 470676), (643, 437736), (732, 384514), (793, 354936), (897, 313784), (1196, 235338), (1286, 218868), (1403, 200616), (1464, 192257), (1586, 177468), (1794, 156892), (1929, 145912), (2379, 118312), (2392, 117669), (2572, 109434), (2806, 100308), (3172, 88734), (3588, 78446), (3858, 72956), (4209, 66872), (4758, 59156), (5144, 54717), (5612, 50154), (6344, 44367), (7176, 39223), (7716, 36478), (8359, 33672), (8418, 33436), (9516, 29578), (11224, 25077), (14789, 19032), (15432, 18239), (16718, 16836)]