388640238

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{13999}}^1$

素因数の和:14672

約数の個数: 32

約数和(自身を含む): 889728000

約数和(自身を除く): 501087762

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 661, 1322, 1983, 3966, 4627, 9254, 13881, 13999, 27762, 27998, 41997, 83994, 97993, 195986, 293979, 587958, 9253339, 18506678, 27760017, 55520034, 64773373, 129546746, 194320119, 388640238]

約数ペア:

[(1, 388640238), (2, 194320119), (3, 129546746), (6, 64773373), (7, 55520034), (14, 27760017), (21, 18506678), (42, 9253339), (661, 587958), (1322, 293979), (1983, 195986), (3966, 97993), (4627, 83994), (9254, 41997), (13881, 27998), (13999, 27762)]