2158826

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:757

約数の個数: 16

約数和(自身を含む): 3431808

約数和(自身を除く): 1272982

約数列:

[1, 2, 23, 46, 71, 142, 661, 1322, 1633, 3266, 15203, 30406, 46931, 93862, 1079413, 2158826]

約数ペア:

[(1, 2158826), (2, 1079413), (23, 93862), (46, 46931), (71, 30406), (142, 15203), (661, 3266), (1322, 1633)]