40506778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{21943}}^1$

素因数の和:22029

約数の個数: 16

約数和(自身を含む): 66358656

約数和(自身を除く): 25851878

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 21943, 43886, 285259, 570518, 1557953, 3115906, 20253389, 40506778]

約数ペア:

[(1, 40506778), (2, 20253389), (13, 3115906), (26, 1557953), (71, 570518), (142, 285259), (923, 43886), (1846, 21943)]