247972319

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{39317}}^1$

素因数の和:39394

約数の個数: 16

約数和(自身を含む): 305736768

約数和(自身を除く): 57764449

約数列:

[1, 7, 17, 53, 119, 371, 901, 6307, 39317, 275219, 668389, 2083801, 4678723, 14586607, 35424617, 247972319]

約数ペア:

[(1, 247972319), (7, 35424617), (17, 14586607), (53, 4678723), (119, 2083801), (371, 668389), (901, 275219), (6307, 39317)]