68992511

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 86929920

約数和(自身を除く): 17937409

約数列:

[1, 7, 17, 43, 97, 119, 139, 301, 679, 731, 973, 1649, 2363, 4171, 5117, 5977, 11543, 13483, 16541, 29197, 41839, 70907, 94381, 101609, 229211, 496349, 579769, 711263, 1604477, 4058383, 9856073, 68992511]

約数ペア:

[(1, 68992511), (7, 9856073), (17, 4058383), (43, 1604477), (97, 711263), (119, 579769), (139, 496349), (301, 229211), (679, 101609), (731, 94381), (973, 70907), (1649, 41839), (2363, 29197), (4171, 16541), (5117, 13483), (5977, 11543)]