1901744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:285

約数の個数: 40

約数和(自身を含む): 4083072

約数和(自身を除く): 2181328

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 208, 223, 328, 446, 533, 656, 892, 1066, 1784, 2132, 2899, 3568, 4264, 5798, 8528, 9143, 11596, 18286, 23192, 36572, 46384, 73144, 118859, 146288, 237718, 475436, 950872, 1901744]

約数ペア:

[(1, 1901744), (2, 950872), (4, 475436), (8, 237718), (13, 146288), (16, 118859), (26, 73144), (41, 46384), (52, 36572), (82, 23192), (104, 18286), (164, 11596), (208, 9143), (223, 8528), (328, 5798), (446, 4264), (533, 3568), (656, 2899), (892, 2132), (1066, 1784)]