81867958

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{4157}}^1$

素因数の和:4431

約数の個数: 16

約数和(自身を含む): 126236880

約数和(自身を除く): 44368922

約数列:

[1, 2, 43, 86, 229, 458, 4157, 8314, 9847, 19694, 178751, 357502, 951953, 1903906, 40933979, 81867958]

約数ペア:

[(1, 81867958), (2, 40933979), (43, 1903906), (86, 951953), (229, 357502), (458, 178751), (4157, 19694), (8314, 9847)]