217522788

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{2589557}}^1$

素因数の和:2589571

約数の個数: 24

約数和(自身を含む): 580060992

約数和(自身を除く): 362538204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 2589557, 5179114, 7768671, 10358228, 15537342, 18126899, 31074684, 36253798, 54380697, 72507596, 108761394, 217522788]

約数ペア:

[(1, 217522788), (2, 108761394), (3, 72507596), (4, 54380697), (6, 36253798), (7, 31074684), (12, 18126899), (14, 15537342), (21, 10358228), (28, 7768671), (42, 5179114), (84, 2589557)]