40400914

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1\times {\mathrm{947}}^1$

素因数の和:1289

約数の個数: 16

約数和(自身を含む): 61635168

約数和(自身を除く): 21234254

約数列:

[1, 2, 83, 166, 257, 514, 947, 1894, 21331, 42662, 78601, 157202, 243379, 486758, 20200457, 40400914]

約数ペア:

[(1, 40400914), (2, 20200457), (83, 486758), (166, 243379), (257, 157202), (514, 78601), (947, 42662), (1894, 21331)]