1218542815

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1\times {\mathrm{2861}}^1$

素因数の和:3199

約数の個数: 32

約数和(自身を含む): 1716650496

約数和(自身を除く): 498107681

約数列:

[1, 5, 7, 35, 43, 215, 283, 301, 1415, 1505, 1981, 2861, 9905, 12169, 14305, 20027, 60845, 85183, 100135, 123023, 425915, 615115, 809663, 861161, 4048315, 4305805, 5667641, 28338205, 34815509, 174077545, 243708563, 1218542815]

約数ペア:

[(1, 1218542815), (5, 243708563), (7, 174077545), (35, 34815509), (43, 28338205), (215, 5667641), (283, 4305805), (301, 4048315), (1415, 861161), (1505, 809663), (1981, 615115), (2861, 425915), (9905, 123023), (12169, 100135), (14305, 85183), (20027, 60845)]