1640371327

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{725507}}^1$

素因数の和:725550

約数の個数: 16

約数和(自身を含む): 2089463040

約数和(自身を除く): 449091713

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 725507, 5078549, 12333619, 13784633, 86335333, 96492431, 234338761, 1640371327]

約数ペア:

[(1, 1640371327), (7, 234338761), (17, 96492431), (19, 86335333), (119, 13784633), (133, 12333619), (323, 5078549), (2261, 725507)]