15978670

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{8111}}^1$

素因数の和:8315

約数の個数: 16

約数和(自身を含む): 28911168

約数和(自身を除く): 12932498

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 8111, 16222, 40555, 81110, 1597867, 3195734, 7989335, 15978670]

約数ペア:

[(1, 15978670), (2, 7989335), (5, 3195734), (10, 1597867), (197, 81110), (394, 40555), (985, 16222), (1970, 8111)]