15905270

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{787}}^1$

素因数の和:884

約数の個数: 32

約数和(自身を含む): 29956608

約数和(自身を除く): 14051338

約数列:

[1, 2, 5, 10, 43, 47, 86, 94, 215, 235, 430, 470, 787, 1574, 2021, 3935, 4042, 7870, 10105, 20210, 33841, 36989, 67682, 73978, 169205, 184945, 338410, 369890, 1590527, 3181054, 7952635, 15905270]

約数ペア:

[(1, 15905270), (2, 7952635), (5, 3181054), (10, 1590527), (43, 369890), (47, 338410), (86, 184945), (94, 169205), (215, 73978), (235, 67682), (430, 36989), (470, 33841), (787, 20210), (1574, 10105), (2021, 7870), (3935, 4042)]