6640319

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1361}}^1$

素因数の和:1426

約数の個数: 16

約数和(自身を含む): 8237376

約数和(自身を除く): 1597057

約数列:

[1, 7, 17, 41, 119, 287, 697, 1361, 4879, 9527, 23137, 55801, 161959, 390607, 948617, 6640319]

約数ペア:

[(1, 6640319), (7, 948617), (17, 390607), (41, 161959), (119, 55801), (287, 23137), (697, 9527), (1361, 4879)]