51955225

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 77741056

約数和(自身を除く): 25785831

約数列:

[1, 5, 7, 25, 31, 35, 61, 155, 157, 175, 217, 305, 427, 775, 785, 1085, 1099, 1525, 1891, 2135, 3925, 4867, 5425, 5495, 9455, 9577, 10675, 13237, 24335, 27475, 34069, 47275, 47885, 66185, 67039, 121675, 170345, 239425, 296887, 330925, 335195, 851725, 1484435, 1675975, 2078209, 7422175, 10391045, 51955225]

約数ペア:

[(1, 51955225), (5, 10391045), (7, 7422175), (25, 2078209), (31, 1675975), (35, 1484435), (61, 851725), (155, 335195), (157, 330925), (175, 296887), (217, 239425), (305, 170345), (427, 121675), (775, 67039), (785, 66185), (1085, 47885), (1099, 47275), (1525, 34069), (1891, 27475), (2135, 24335), (3925, 13237), (4867, 10675), (5425, 9577), (5495, 9455)]