1991294

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{593}}^1$

素因数の和:691

約数の個数: 16

約数和(自身を含む): 3164832

約数和(自身を除く): 1173538

約数列:

[1, 2, 23, 46, 73, 146, 593, 1186, 1679, 3358, 13639, 27278, 43289, 86578, 995647, 1991294]

約数ペア:

[(1, 1991294), (2, 995647), (23, 86578), (46, 43289), (73, 27278), (146, 13639), (593, 3358), (1186, 1679)]