1289233414

素因数分解:

$2^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{30809}}^1$

素因数の和:30893

約数の個数: 32

約数和(自身を含む): 2292264000

約数和(自身を除く): 1003030586

約数列:

[1, 2, 7, 14, 49, 61, 98, 122, 343, 427, 686, 854, 2989, 5978, 20923, 30809, 41846, 61618, 215663, 431326, 1509641, 1879349, 3019282, 3758698, 10567487, 13155443, 21134974, 26310886, 92088101, 184176202, 644616707, 1289233414]

約数ペア:

[(1, 1289233414), (2, 644616707), (7, 184176202), (14, 92088101), (49, 26310886), (61, 21134974), (98, 13155443), (122, 10567487), (343, 3758698), (427, 3019282), (686, 1879349), (854, 1509641), (2989, 431326), (5978, 215663), (20923, 61618), (30809, 41846)]