28157488

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{42923}}^1$

素因数の和:42972

約数の個数: 20

約数和(自身を含む): 55887048

約数和(自身を除く): 27729560

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 42923, 85846, 171692, 343384, 686768, 1759843, 3519686, 7039372, 14078744, 28157488]

約数ペア:

[(1, 28157488), (2, 14078744), (4, 7039372), (8, 3519686), (16, 1759843), (41, 686768), (82, 343384), (164, 171692), (328, 85846), (656, 42923)]