2221071575

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{15551}}^1$

素因数の和:15787

約数の個数: 24

約数和(自身を含む): 2863745280

約数和(自身を除く): 642673705

約数列:

[1, 5, 25, 29, 145, 197, 725, 985, 4925, 5713, 15551, 28565, 77755, 142825, 388775, 450979, 2254895, 3063547, 11274475, 15317735, 76588675, 88842863, 444214315, 2221071575]

約数ペア:

[(1, 2221071575), (5, 444214315), (25, 88842863), (29, 76588675), (145, 15317735), (197, 11274475), (725, 3063547), (985, 2254895), (4925, 450979), (5713, 388775), (15551, 142825), (28565, 77755)]