288403199

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{12421}}^1$

素因数の和:12566

約数の個数: 16

約数和(自身を含む): 343443456

約数和(自身を除く): 55040257

約数列:

[1, 7, 31, 107, 217, 749, 3317, 12421, 23219, 86947, 385051, 1329047, 2695357, 9303329, 41200457, 288403199]

約数ペア:

[(1, 288403199), (7, 41200457), (31, 9303329), (107, 2695357), (217, 1329047), (749, 385051), (3317, 86947), (12421, 23219)]