31362265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 42768000

約数和(自身を除く): 11405735

約数列:

[1, 5, 11, 43, 55, 89, 149, 215, 445, 473, 745, 979, 1639, 2365, 3827, 4895, 6407, 8195, 13261, 19135, 32035, 42097, 66305, 70477, 145871, 210485, 352385, 570223, 729355, 2851115, 6272453, 31362265]

約数ペア:

[(1, 31362265), (5, 6272453), (11, 2851115), (43, 729355), (55, 570223), (89, 352385), (149, 210485), (215, 145871), (445, 70477), (473, 66305), (745, 42097), (979, 32035), (1639, 19135), (2365, 13261), (3827, 8195), (4895, 6407)]