278813210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2144717}}^1$

素因数の和:2144737

約数の個数: 16

約数和(自身を含む): 540468936

約数和(自身を除く): 261655726

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2144717, 4289434, 10723585, 21447170, 27881321, 55762642, 139406605, 278813210]

約数ペア:

[(1, 278813210), (2, 139406605), (5, 55762642), (10, 27881321), (13, 21447170), (26, 10723585), (65, 4289434), (130, 2144717)]