201997037744

素因数分解:

$2^4\times {\mathrm{641}}^1\times {\mathrm{2003}}^1\times {\mathrm{9833}}^1$

素因数の和:12485

約数の個数: 40

約数和(自身を含む): 392215401072

約数和(自身を除く): 190218363328

約数列:

[1, 2, 4, 8, 16, 641, 1282, 2003, 2564, 4006, 5128, 8012, 9833, 10256, 16024, 19666, 32048, 39332, 78664, 157328, 1283923, 2567846, 5135692, 6302953, 10271384, 12605906, 19695499, 20542768, 25211812, 39390998, 50423624, 78781996, 100847248, 157563992, 315127984, 12624814859, 25249629718, 50499259436, 100998518872, 201997037744]

約数ペア:

[(1, 201997037744), (2, 100998518872), (4, 50499259436), (8, 25249629718), (16, 12624814859), (641, 315127984), (1282, 157563992), (2003, 100847248), (2564, 78781996), (4006, 50423624), (5128, 39390998), (8012, 25211812), (9833, 20542768), (10256, 19695499), (16024, 12605906), (19666, 10271384), (32048, 6302953), (39332, 5135692), (78664, 2567846), (157328, 1283923)]