81640766

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{137}}^1\times {\mathrm{1031}}^1$

素因数の和:1204

約数の個数: 24

約数和(自身を含む): 131165136

約数和(自身を除く): 49524370

約数列:

[1, 2, 17, 34, 137, 274, 289, 578, 1031, 2062, 2329, 4658, 17527, 35054, 39593, 79186, 141247, 282494, 297959, 595918, 2401199, 4802398, 40820383, 81640766]

約数ペア:

[(1, 81640766), (2, 40820383), (17, 4802398), (34, 2401199), (137, 595918), (274, 297959), (289, 282494), (578, 141247), (1031, 79186), (2062, 39593), (2329, 35054), (4658, 17527)]