165393904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{1229}}^1$

素因数の和:1897

約数の個数: 40

約数和(自身を含む): 345915360

約数和(自身を除く): 180521456

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 647, 1229, 1294, 2458, 2588, 4916, 5176, 8411, 9832, 10352, 15977, 16822, 19664, 31954, 33644, 63908, 67288, 127816, 134576, 255632, 795163, 1590326, 3180652, 6361304, 10337119, 12722608, 20674238, 41348476, 82696952, 165393904]

約数ペア:

[(1, 165393904), (2, 82696952), (4, 41348476), (8, 20674238), (13, 12722608), (16, 10337119), (26, 6361304), (52, 3180652), (104, 1590326), (208, 795163), (647, 255632), (1229, 134576), (1294, 127816), (2458, 67288), (2588, 63908), (4916, 33644), (5176, 31954), (8411, 19664), (9832, 16822), (10352, 15977)]