51220394

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{1831}}^1$

素因数の和:2101

約数の個数: 16

約数和(自身を含む): 78350976

約数和(自身を除く): 27130582

約数列:

[1, 2, 71, 142, 197, 394, 1831, 3662, 13987, 27974, 130001, 260002, 360707, 721414, 25610197, 51220394]

約数ペア:

[(1, 51220394), (2, 25610197), (71, 721414), (142, 360707), (197, 260002), (394, 130001), (1831, 27974), (3662, 13987)]