156639778

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{971}}^1\times {\mathrm{1021}}^1$

素因数の和:2073

約数の個数: 16

約数和(自身を含む): 238412160

約数和(自身を除く): 81772382

約数列:

[1, 2, 79, 158, 971, 1021, 1942, 2042, 76709, 80659, 153418, 161318, 991391, 1982782, 78319889, 156639778]

約数ペア:

[(1, 156639778), (2, 78319889), (79, 1982782), (158, 991391), (971, 161318), (1021, 153418), (1942, 80659), (2042, 76709)]