254143385

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 326764800

約数和(自身を除く): 72621415

約数列:

[1, 5, 29, 59, 61, 145, 295, 305, 487, 1711, 1769, 2435, 3599, 8555, 8845, 14123, 17995, 28733, 29707, 70615, 104371, 143665, 148535, 521855, 833257, 861503, 1752713, 4166285, 4307515, 8763565, 50828677, 254143385]

約数ペア:

[(1, 254143385), (5, 50828677), (29, 8763565), (59, 4307515), (61, 4166285), (145, 1752713), (295, 861503), (305, 833257), (487, 521855), (1711, 148535), (1769, 143665), (2435, 104371), (3599, 70615), (8555, 29707), (8845, 28733), (14123, 17995)]