1999943424

素因数分解:

$2^8\times 3^2\times {\mathrm{31}}^1\times {\mathrm{28001}}^1$

素因数の和:28054

約数の個数: 108

約数和(自身を含む): 5952553152

約数和(自身を除く): 3952609728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 128, 144, 186, 192, 248, 256, 279, 288, 372, 384, 496, 558, 576, 744, 768, 992, 1116, 1152, 1488, 1984, 2232, 2304, 2976, 3968, 4464, 5952, 7936, 8928, 11904, 17856, 23808, 28001, 35712, 56002, 71424, 84003, 112004, 168006, 224008, 252009, 336012, 448016, 504018, 672024, 868031, 896032, 1008036, 1344048, 1736062, 1792064, 2016072, 2604093, 2688096, 3472124, 3584128, 4032144, 5208186, 5376192, 6944248, 7168256, 7812279, 8064288, 10416372, 10752384, 13888496, 15624558, 16128576, 20832744, 21504768, 27776992, 31249116, 32257152, 41665488, 55553984, 62498232, 64514304, 83330976, 111107968, 124996464, 166661952, 222215936, 249992928, 333323904, 499985856, 666647808, 999971712, 1999943424]

約数ペア:

[(1, 1999943424), (2, 999971712), (3, 666647808), (4, 499985856), (6, 333323904), (8, 249992928), (9, 222215936), (12, 166661952), (16, 124996464), (18, 111107968), (24, 83330976), (31, 64514304), (32, 62498232), (36, 55553984), (48, 41665488), (62, 32257152), (64, 31249116), (72, 27776992), (93, 21504768), (96, 20832744), (124, 16128576), (128, 15624558), (144, 13888496), (186, 10752384), (192, 10416372), (248, 8064288), (256, 7812279), (279, 7168256), (288, 6944248), (372, 5376192), (384, 5208186), (496, 4032144), (558, 3584128), (576, 3472124), (744, 2688096), (768, 2604093), (992, 2016072), (1116, 1792064), (1152, 1736062), (1488, 1344048), (1984, 1008036), (2232, 896032), (2304, 868031), (2976, 672024), (3968, 504018), (4464, 448016), (5952, 336012), (7936, 252009), (8928, 224008), (11904, 168006), (17856, 112004), (23808, 84003), (28001, 71424), (35712, 56002)]