489399505

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{68881}}^1$

素因数の和:68929

約数の個数: 24

約数和(自身を含む): 706729320

約数和(自身を除く): 217329815

約数列:

[1, 5, 7, 29, 35, 49, 145, 203, 245, 1015, 1421, 7105, 68881, 344405, 482167, 1997549, 2410835, 3375169, 9987745, 13982843, 16875845, 69914215, 97879901, 489399505]

約数ペア:

[(1, 489399505), (5, 97879901), (7, 69914215), (29, 16875845), (35, 13982843), (49, 9987745), (145, 3375169), (203, 2410835), (245, 1997549), (1015, 482167), (1421, 344405), (7105, 68881)]