71317136

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{405211}}^1$

素因数の和:405230

約数の個数: 20

約数和(自身を含む): 150738864

約数和(自身を除く): 79421728

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 405211, 810422, 1620844, 3241688, 4457321, 6483376, 8914642, 17829284, 35658568, 71317136]

約数ペア:

[(1, 71317136), (2, 35658568), (4, 17829284), (8, 8914642), (11, 6483376), (16, 4457321), (22, 3241688), (44, 1620844), (88, 810422), (176, 405211)]