71864272

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{18637}}^1$

素因数の和:18886

約数の個数: 20

約数和(自身を含む): 139822276

約数和(自身を除く): 67958004

約数列:

[1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856, 18637, 37274, 74548, 149096, 298192, 4491517, 8983034, 17966068, 35932136, 71864272]

約数ペア:

[(1, 71864272), (2, 35932136), (4, 17966068), (8, 8983034), (16, 4491517), (241, 298192), (482, 149096), (964, 74548), (1928, 37274), (3856, 18637)]