17840485

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 23769504

約数和(自身を除く): 5929019

約数列:

[1, 5, 13, 43, 65, 169, 215, 491, 559, 845, 2455, 2795, 6383, 7267, 21113, 31915, 36335, 82979, 105565, 274469, 414895, 1372345, 3568097, 17840485]

約数ペア:

[(1, 17840485), (5, 3568097), (13, 1372345), (43, 414895), (65, 274469), (169, 105565), (215, 82979), (491, 36335), (559, 31915), (845, 21113), (2455, 7267), (2795, 6383)]