257606936

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{509}}^1\times {\mathrm{1543}}^1$

素因数の和:2099

約数の個数: 32

約数和(自身を含む): 496087200

約数和(自身を除く): 238480264

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 509, 1018, 1543, 2036, 3086, 4072, 6172, 12344, 20869, 41738, 63263, 83476, 126526, 166952, 253052, 506104, 785387, 1570774, 3141548, 6283096, 32200867, 64401734, 128803468, 257606936]

約数ペア:

[(1, 257606936), (2, 128803468), (4, 64401734), (8, 32200867), (41, 6283096), (82, 3141548), (164, 1570774), (328, 785387), (509, 506104), (1018, 253052), (1543, 166952), (2036, 126526), (3086, 83476), (4072, 63263), (6172, 41738), (12344, 20869)]