71315990

素因数分解:

$2^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{14011}}^1$

素因数の和:14527

約数の個数: 16

約数和(自身を含む): 128630160

約数和(自身を除く): 57314170

約数列:

[1, 2, 5, 10, 509, 1018, 2545, 5090, 14011, 28022, 70055, 140110, 7131599, 14263198, 35657995, 71315990]

約数ペア:

[(1, 71315990), (2, 35657995), (5, 14263198), (10, 7131599), (509, 140110), (1018, 70055), (2545, 28022), (5090, 14011)]