381557071

素因数分解:

$7^2\times {\mathrm{59}}^1\times {\mathrm{191}}^1\times {\mathrm{691}}^1$

素因数の和:955

約数の個数: 24

約数和(自身を含む): 454394880

約数和(自身を除く): 72837809

約数列:

[1, 7, 49, 59, 191, 413, 691, 1337, 2891, 4837, 9359, 11269, 33859, 40769, 78883, 131981, 285383, 552181, 923867, 1997681, 6467069, 7786879, 54508153, 381557071]

約数ペア:

[(1, 381557071), (7, 54508153), (49, 7786879), (59, 6467069), (191, 1997681), (413, 923867), (691, 552181), (1337, 285383), (2891, 131981), (4837, 78883), (9359, 40769), (11269, 33859)]