16996525

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 26887168

約数和(自身を除く): 9890643

約数列:

[1, 5, 7, 13, 25, 31, 35, 65, 91, 155, 175, 217, 241, 325, 403, 455, 775, 1085, 1205, 1687, 2015, 2275, 2821, 3133, 5425, 6025, 7471, 8435, 10075, 14105, 15665, 21931, 37355, 42175, 52297, 70525, 78325, 97123, 109655, 186775, 261485, 485615, 548275, 679861, 1307425, 2428075, 3399305, 16996525]

約数ペア:

[(1, 16996525), (5, 3399305), (7, 2428075), (13, 1307425), (25, 679861), (31, 548275), (35, 485615), (65, 261485), (91, 186775), (155, 109655), (175, 97123), (217, 78325), (241, 70525), (325, 52297), (403, 42175), (455, 37355), (775, 21931), (1085, 15665), (1205, 14105), (1687, 10075), (2015, 8435), (2275, 7471), (2821, 6025), (3133, 5425)]