520012831

素因数分解:

${\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 575132400

約数和(自身を除く): 55119569

約数列:

[1, 13, 107, 149, 169, 193, 1391, 1937, 2509, 15943, 18083, 20651, 25181, 28757, 32617, 207259, 268463, 373841, 2694367, 3076999, 3490019, 4859933, 40000987, 520012831]

約数ペア:

[(1, 520012831), (13, 40000987), (107, 4859933), (149, 3490019), (169, 3076999), (193, 2694367), (1391, 373841), (1937, 268463), (2509, 207259), (15943, 32617), (18083, 28757), (20651, 25181)]