887651855

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{643}}^1$

素因数の和:923

約数の個数: 32

約数和(自身を含む): 1147608000

約数和(自身を除く): 259956145

約数列:

[1, 5, 17, 85, 109, 149, 545, 643, 745, 1853, 2533, 3215, 9265, 10931, 12665, 16241, 54655, 70087, 81205, 95807, 276097, 350435, 479035, 1191479, 1380485, 1628719, 5957395, 8143595, 10442963, 52214815, 177530371, 887651855]

約数ペア:

[(1, 887651855), (5, 177530371), (17, 52214815), (85, 10442963), (109, 8143595), (149, 5957395), (545, 1628719), (643, 1380485), (745, 1191479), (1853, 479035), (2533, 350435), (3215, 276097), (9265, 95807), (10931, 81205), (12665, 70087), (16241, 54655)]