2015993815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1\times {\mathrm{2411}}^1$

素因数の和:3111

約数の個数: 32

約数和(自身を含む): 2759173632

約数和(自身を除く): 743179817

約数列:

[1, 5, 11, 23, 55, 115, 253, 661, 1265, 2411, 3305, 7271, 12055, 15203, 26521, 36355, 55453, 76015, 132605, 167233, 277265, 609983, 836165, 1593671, 3049915, 7968355, 17530381, 36654433, 87651905, 183272165, 403198763, 2015993815]

約数ペア:

[(1, 2015993815), (5, 403198763), (11, 183272165), (23, 87651905), (55, 36654433), (115, 17530381), (253, 7968355), (661, 3049915), (1265, 1593671), (2411, 836165), (3305, 609983), (7271, 277265), (12055, 167233), (15203, 132605), (26521, 76015), (36355, 55453)]