31171244

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 61829376

約数和(自身を除く): 30658132

約数列:

[1, 2, 4, 13, 26, 31, 52, 61, 62, 122, 124, 244, 317, 403, 634, 793, 806, 1268, 1586, 1612, 1891, 3172, 3782, 4121, 7564, 8242, 9827, 16484, 19337, 19654, 24583, 38674, 39308, 49166, 77348, 98332, 127751, 251381, 255502, 502762, 511004, 599447, 1005524, 1198894, 2397788, 7792811, 15585622, 31171244]

約数ペア:

[(1, 31171244), (2, 15585622), (4, 7792811), (13, 2397788), (26, 1198894), (31, 1005524), (52, 599447), (61, 511004), (62, 502762), (122, 255502), (124, 251381), (244, 127751), (317, 98332), (403, 77348), (634, 49166), (793, 39308), (806, 38674), (1268, 24583), (1586, 19654), (1612, 19337), (1891, 16484), (3172, 9827), (3782, 8242), (4121, 7564)]