13328735

素因数分解:

$5^1\times 7^2\times {\mathrm{54403}}^1$

素因数の和:54422

約数の個数: 12

約数和(自身を含む): 18606168

約数和(自身を除く): 5277433

約数列:

[1, 5, 7, 35, 49, 245, 54403, 272015, 380821, 1904105, 2665747, 13328735]

約数ペア:

[(1, 13328735), (5, 2665747), (7, 1904105), (35, 380821), (49, 272015), (245, 54403)]