1991964

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^2$

素因数の和:246

約数の個数: 36

約数和(自身を含む): 5050136

約数和(自身を除く): 3058172

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 113, 156, 226, 339, 452, 678, 1356, 1469, 2938, 4407, 5876, 8814, 12769, 17628, 25538, 38307, 51076, 76614, 153228, 165997, 331994, 497991, 663988, 995982, 1991964]

約数ペア:

[(1, 1991964), (2, 995982), (3, 663988), (4, 497991), (6, 331994), (12, 165997), (13, 153228), (26, 76614), (39, 51076), (52, 38307), (78, 25538), (113, 17628), (156, 12769), (226, 8814), (339, 5876), (452, 4407), (678, 2938), (1356, 1469)]