157040816

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{228257}}^1$

素因数の和:228308

約数の個数: 20

約数和(自身を含む): 311343912

約数和(自身を除く): 154303096

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 228257, 456514, 913028, 1826056, 3652112, 9815051, 19630102, 39260204, 78520408, 157040816]

約数ペア:

[(1, 157040816), (2, 78520408), (4, 39260204), (8, 19630102), (16, 9815051), (43, 3652112), (86, 1826056), (172, 913028), (344, 456514), (688, 228257)]