12988838

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1697}}^1$

素因数の和:1831

約数の個数: 16

約数和(自身を含む): 20172240

約数和(自身を除く): 7183402

約数列:

[1, 2, 43, 86, 89, 178, 1697, 3394, 3827, 7654, 72971, 145942, 151033, 302066, 6494419, 12988838]

約数ペア:

[(1, 12988838), (2, 6494419), (43, 302066), (86, 151033), (89, 145942), (178, 72971), (1697, 7654), (3394, 3827)]