65964290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{1307}}^1$

素因数の和:1431

約数の個数: 48

約数和(自身を含む): 139568832

約数和(自身を除く): 73604542

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 103, 206, 245, 490, 515, 721, 1030, 1307, 1442, 2614, 3605, 5047, 6535, 7210, 9149, 10094, 13070, 18298, 25235, 45745, 50470, 64043, 91490, 128086, 134621, 269242, 320215, 640430, 673105, 942347, 1346210, 1884694, 4711735, 6596429, 9423470, 13192858, 32982145, 65964290]

約数ペア:

[(1, 65964290), (2, 32982145), (5, 13192858), (7, 9423470), (10, 6596429), (14, 4711735), (35, 1884694), (49, 1346210), (70, 942347), (98, 673105), (103, 640430), (206, 320215), (245, 269242), (490, 134621), (515, 128086), (721, 91490), (1030, 64043), (1307, 50470), (1442, 45745), (2614, 25235), (3605, 18298), (5047, 13070), (6535, 10094), (7210, 9149)]