278311615

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{463}}^1\times {\mathrm{5227}}^1$

素因数の和:5718

約数の個数: 16

約数和(自身を含む): 349314048

約数和(自身を除く): 71002433

約数列:

[1, 5, 23, 115, 463, 2315, 5227, 10649, 26135, 53245, 120221, 601105, 2420101, 12100505, 55662323, 278311615]

約数ペア:

[(1, 278311615), (5, 55662323), (23, 12100505), (115, 2420101), (463, 601105), (2315, 120221), (5227, 53245), (10649, 26135)]