64878919

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{1193}}^1$

素因数の和:1674

約数の個数: 16

約数和(自身を含む): 78746688

約数和(自身を除く): 13867769

約数列:

[1, 7, 17, 119, 457, 1193, 3199, 7769, 8351, 20281, 54383, 141967, 545201, 3816407, 9268417, 64878919]

約数ペア:

[(1, 64878919), (7, 9268417), (17, 3816407), (119, 545201), (457, 141967), (1193, 54383), (3199, 20281), (7769, 8351)]