978889177

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{3299}}^1$

素因数の和:3445

約数の個数: 32

約数和(自身を含む): 1241856000

約数和(自身を除く): 262966823

約数列:

[1, 7, 19, 23, 97, 133, 161, 437, 679, 1843, 2231, 3059, 3299, 12901, 15617, 23093, 42389, 62681, 75877, 296723, 320003, 438767, 531139, 1441663, 2240021, 6080057, 7360069, 10091641, 42560399, 51520483, 139841311, 978889177]

約数ペア:

[(1, 978889177), (7, 139841311), (19, 51520483), (23, 42560399), (97, 10091641), (133, 7360069), (161, 6080057), (437, 2240021), (679, 1441663), (1843, 531139), (2231, 438767), (3059, 320003), (3299, 296723), (12901, 75877), (15617, 62681), (23093, 42389)]