209898436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{67189}}^1$

素因数の和:67275

約数の個数: 24

約数和(自身を含む): 406365120

約数和(自身を除く): 196466684

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 67189, 134378, 268756, 739079, 1478158, 2956316, 4770419, 9540838, 19081676, 52474609, 104949218, 209898436]

約数ペア:

[(1, 209898436), (2, 104949218), (4, 52474609), (11, 19081676), (22, 9540838), (44, 4770419), (71, 2956316), (142, 1478158), (284, 739079), (781, 268756), (1562, 134378), (3124, 67189)]