289119796

素因数分解:

$2^2\times 7^2\times {\mathrm{211}}^1\times {\mathrm{6991}}^1$

素因数の和:7220

約数の個数: 36

約数和(自身を含む): 591439296

約数和(自身を除く): 302319500

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 211, 422, 844, 1477, 2954, 5908, 6991, 10339, 13982, 20678, 27964, 41356, 48937, 97874, 195748, 342559, 685118, 1370236, 1475101, 2950202, 5900404, 10325707, 20651414, 41302828, 72279949, 144559898, 289119796]

約数ペア:

[(1, 289119796), (2, 144559898), (4, 72279949), (7, 41302828), (14, 20651414), (28, 10325707), (49, 5900404), (98, 2950202), (196, 1475101), (211, 1370236), (422, 685118), (844, 342559), (1477, 195748), (2954, 97874), (5908, 48937), (6991, 41356), (10339, 27964), (13982, 20678)]