11991947

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 14300160

約数和(自身を除く): 2308213

約数列:

[1, 11, 23, 31, 121, 139, 253, 341, 713, 1529, 2783, 3197, 3751, 4309, 7843, 16819, 35167, 47399, 86273, 99107, 386837, 521389, 1090177, 11991947]

約数ペア:

[(1, 11991947), (11, 1090177), (23, 521389), (31, 386837), (121, 99107), (139, 86273), (253, 47399), (341, 35167), (713, 16819), (1529, 7843), (2783, 4309), (3197, 3751)]