621374768

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{129023}}^1$

素因数の和:129081

約数の個数: 40

約数和(自身を含む): 1407909888

約数和(自身を除く): 786535120

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 4816, 129023, 258046, 516092, 903161, 1032184, 1806322, 2064368, 3612644, 5547989, 7225288, 11095978, 14450576, 22191956, 38835923, 44383912, 77671846, 88767824, 155343692, 310687384, 621374768]

約数ペア:

[(1, 621374768), (2, 310687384), (4, 155343692), (7, 88767824), (8, 77671846), (14, 44383912), (16, 38835923), (28, 22191956), (43, 14450576), (56, 11095978), (86, 7225288), (112, 5547989), (172, 3612644), (301, 2064368), (344, 1806322), (602, 1032184), (688, 903161), (1204, 516092), (2408, 258046), (4816, 129023)]