81327884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 159635616

約数和(自身を除く): 78307732

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 157, 193, 244, 314, 386, 628, 671, 772, 1342, 1727, 2123, 2684, 3454, 4246, 6908, 8492, 9577, 11773, 19154, 23546, 30301, 38308, 47092, 60602, 105347, 121204, 129503, 210694, 259006, 333311, 421388, 518012, 666622, 1333244, 1848361, 3696722, 7393444, 20331971, 40663942, 81327884]

約数ペア:

[(1, 81327884), (2, 40663942), (4, 20331971), (11, 7393444), (22, 3696722), (44, 1848361), (61, 1333244), (122, 666622), (157, 518012), (193, 421388), (244, 333311), (314, 259006), (386, 210694), (628, 129503), (671, 121204), (772, 105347), (1342, 60602), (1727, 47092), (2123, 38308), (2684, 30301), (3454, 23546), (4246, 19154), (6908, 11773), (8492, 9577)]