155407238

素因数分解:

$2^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{27961}}^1$

素因数の和:28367

約数の個数: 16

約数和(自身を含む): 267093024

約数和(自身を除く): 111685786

約数列:

[1, 2, 7, 14, 397, 794, 2779, 5558, 27961, 55922, 195727, 391454, 11100517, 22201034, 77703619, 155407238]

約数ペア:

[(1, 155407238), (2, 77703619), (7, 22201034), (14, 11100517), (397, 391454), (794, 195727), (2779, 55922), (5558, 27961)]