1991886

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{25537}}^1$

素因数の和:25555

約数の個数: 16

約数和(自身を含む): 4290384

約数和(自身を除く): 2298498

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 25537, 51074, 76611, 153222, 331981, 663962, 995943, 1991886]

約数ペア:

[(1, 1991886), (2, 995943), (3, 663962), (6, 331981), (13, 153222), (26, 76611), (39, 51074), (78, 25537)]