158129278

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{8837}}^1$

素因数の和:9251

約数の個数: 16

約数和(自身を含む): 248171040

約数和(自身を除く): 90041762

約数列:

[1, 2, 23, 46, 389, 778, 8837, 8947, 17674, 17894, 203251, 406502, 3437593, 6875186, 79064639, 158129278]

約数ペア:

[(1, 158129278), (2, 79064639), (23, 6875186), (46, 3437593), (389, 406502), (778, 203251), (8837, 17894), (8947, 17674)]