80018686

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 133539840

約数和(自身を除く): 53521154

約数列:

[1, 2, 11, 22, 137, 139, 191, 274, 278, 382, 1507, 1529, 2101, 3014, 3058, 4202, 19043, 26167, 26549, 38086, 52334, 53098, 209473, 287837, 292039, 418946, 575674, 584078, 3637213, 7274426, 40009343, 80018686]

約数ペア:

[(1, 80018686), (2, 40009343), (11, 7274426), (22, 3637213), (137, 584078), (139, 575674), (191, 418946), (274, 292039), (278, 287837), (382, 209473), (1507, 53098), (1529, 52334), (2101, 38086), (3014, 26549), (3058, 26167), (4202, 19043)]