1640747521

素因数分解:

$7^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1\times {\mathrm{6997}}^1$

素因数の和:7384

約数の個数: 16

約数和(自身を含む): 1896737920

約数和(自身を除く): 255990399

約数列:

[1, 7, 139, 241, 973, 1687, 6997, 33499, 48979, 234493, 972583, 1686277, 6808081, 11803939, 234392503, 1640747521]

約数ペア:

[(1, 1640747521), (7, 234392503), (139, 11803939), (241, 6808081), (973, 1686277), (1687, 972583), (6997, 234493), (33499, 48979)]