221510828

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{65381}}^1$

素因数の和:65414

約数の個数: 36

約数和(自身を含む): 486965136

約数和(自身を除く): 265454308

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 65381, 130762, 261524, 457667, 719191, 915334, 1438382, 1830668, 2876764, 5034337, 7911101, 10068674, 15822202, 20137348, 31644404, 55377707, 110755414, 221510828]

約数ペア:

[(1, 221510828), (2, 110755414), (4, 55377707), (7, 31644404), (11, 20137348), (14, 15822202), (22, 10068674), (28, 7911101), (44, 5034337), (77, 2876764), (121, 1830668), (154, 1438382), (242, 915334), (308, 719191), (484, 457667), (847, 261524), (1694, 130762), (3388, 65381)]