79690210

素因数分解:

$2^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{7993}}^1$

素因数の和:8997

約数の個数: 16

約数和(自身を含む): 143604216

約数和(自身を除く): 63914006

約数列:

[1, 2, 5, 10, 997, 1994, 4985, 7993, 9970, 15986, 39965, 79930, 7969021, 15938042, 39845105, 79690210]

約数ペア:

[(1, 79690210), (2, 39845105), (5, 15938042), (10, 7969021), (997, 79930), (1994, 39965), (4985, 15986), (7993, 9970)]