1581514891

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 1886395392

約数和(自身を除く): 304880501

約数列:

[1, 11, 23, 47, 107, 113, 121, 253, 517, 1081, 1177, 1243, 2461, 2599, 2783, 5029, 5311, 5687, 11891, 12091, 12947, 13673, 27071, 28589, 55319, 58421, 115667, 122153, 130801, 133001, 278093, 297781, 314479, 568277, 608509, 642631, 1272337, 1343683, 1463011, 3059023, 6251047, 13070371, 13995707, 14780513, 33649253, 68761517, 143774081, 1581514891]

約数ペア:

[(1, 1581514891), (11, 143774081), (23, 68761517), (47, 33649253), (107, 14780513), (113, 13995707), (121, 13070371), (253, 6251047), (517, 3059023), (1081, 1463011), (1177, 1343683), (1243, 1272337), (2461, 642631), (2599, 608509), (2783, 568277), (5029, 314479), (5311, 297781), (5687, 278093), (11891, 133001), (12091, 130801), (12947, 122153), (13673, 115667), (27071, 58421), (28589, 55319)]