678368530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{99907}}^1$

素因数の和:100018

約数の個数: 32

約数和(自身を含む): 1409901696

約数和(自身を除く): 731533166

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 97, 194, 485, 679, 970, 1358, 3395, 6790, 99907, 199814, 499535, 699349, 999070, 1398698, 3496745, 6993490, 9690979, 19381958, 48454895, 67836853, 96909790, 135673706, 339184265, 678368530]

約数ペア:

[(1, 678368530), (2, 339184265), (5, 135673706), (7, 96909790), (10, 67836853), (14, 48454895), (35, 19381958), (70, 9690979), (97, 6993490), (194, 3496745), (485, 1398698), (679, 999070), (970, 699349), (1358, 499535), (3395, 199814), (6790, 99907)]