7943845

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 12648960

約数和(自身を除く): 4705115

約数列:

[1, 5, 7, 13, 17, 35, 65, 79, 85, 91, 119, 169, 221, 395, 455, 553, 595, 845, 1027, 1105, 1183, 1343, 1547, 2765, 2873, 5135, 5915, 6715, 7189, 7735, 9401, 13351, 14365, 17459, 20111, 35945, 47005, 66755, 87295, 93457, 100555, 122213, 226967, 467285, 611065, 1134835, 1588769, 7943845]

約数ペア:

[(1, 7943845), (5, 1588769), (7, 1134835), (13, 611065), (17, 467285), (35, 226967), (65, 122213), (79, 100555), (85, 93457), (91, 87295), (119, 66755), (169, 47005), (221, 35945), (395, 20111), (455, 17459), (553, 14365), (595, 13351), (845, 9401), (1027, 7735), (1105, 7189), (1183, 6715), (1343, 5915), (1547, 5135), (2765, 2873)]