1994609825

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{10979}}^1$

素因数の和:11058

約数の個数: 36

約数和(自身を含む): 2740739760

約数和(自身を除く): 746129935

約数列:

[1, 5, 13, 25, 43, 65, 169, 215, 325, 559, 845, 1075, 2795, 4225, 7267, 10979, 13975, 36335, 54895, 142727, 181675, 274475, 472097, 713635, 1855451, 2360485, 3568175, 6137261, 9277255, 11802425, 30686305, 46386275, 79784393, 153431525, 398921965, 1994609825]

約数ペア:

[(1, 1994609825), (5, 398921965), (13, 153431525), (25, 79784393), (43, 46386275), (65, 30686305), (169, 11802425), (215, 9277255), (325, 6137261), (559, 3568175), (845, 2360485), (1075, 1855451), (2795, 713635), (4225, 472097), (7267, 274475), (10979, 181675), (13975, 142727), (36335, 54895)]