81123014

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{1213}}^1$

素因数の和:1520

約数の個数: 32

約数和(自身を含む): 147894336

約数和(自身を除く): 66771322

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 281, 562, 1213, 1967, 2426, 3934, 4777, 8491, 9554, 16982, 20621, 33439, 41242, 66878, 144347, 288694, 340853, 681706, 2385971, 4771942, 5794501, 11589002, 40561507, 81123014]

約数ペア:

[(1, 81123014), (2, 40561507), (7, 11589002), (14, 5794501), (17, 4771942), (34, 2385971), (119, 681706), (238, 340853), (281, 288694), (562, 144347), (1213, 66878), (1967, 41242), (2426, 33439), (3934, 20621), (4777, 16982), (8491, 9554)]