28949280134992

素因数分解:

$2^4\times 7^2\times {\mathrm{1999}}^1\times {\mathrm{18471787}}^1$

素因数の和:18473808

約数の個数: 60

約数和(自身を含む): 65279298792000

約数和(自身を除く): 36330018657008

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 1999, 3998, 7996, 13993, 15992, 27986, 31984, 55972, 97951, 111944, 195902, 223888, 391804, 783608, 1567216, 18471787, 36943574, 73887148, 129302509, 147774296, 258605018, 295548592, 517210036, 905117563, 1034420072, 1810235126, 2068840144, 3620470252, 7240940504, 14481881008, 36925102213, 73850204426, 147700408852, 258475715491, 295400817704, 516951430982, 590801635408, 1033902861964, 1809330008437, 2067805723928, 3618660016874, 4135611447856, 7237320033748, 14474640067496, 28949280134992]

約数ペア:

[(1, 28949280134992), (2, 14474640067496), (4, 7237320033748), (7, 4135611447856), (8, 3618660016874), (14, 2067805723928), (16, 1809330008437), (28, 1033902861964), (49, 590801635408), (56, 516951430982), (98, 295400817704), (112, 258475715491), (196, 147700408852), (392, 73850204426), (784, 36925102213), (1999, 14481881008), (3998, 7240940504), (7996, 3620470252), (13993, 2068840144), (15992, 1810235126), (27986, 1034420072), (31984, 905117563), (55972, 517210036), (97951, 295548592), (111944, 258605018), (195902, 147774296), (223888, 129302509), (391804, 73887148), (783608, 36943574), (1567216, 18471787)]