78817784

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{881}}^1$

素因数の和:1151

約数の個数: 32

約数和(自身を含む): 151457040

約数和(自身を除く): 72639256

約数列:

[1, 2, 4, 8, 53, 106, 211, 212, 422, 424, 844, 881, 1688, 1762, 3524, 7048, 11183, 22366, 44732, 46693, 89464, 93386, 185891, 186772, 371782, 373544, 743564, 1487128, 9852223, 19704446, 39408892, 78817784]

約数ペア:

[(1, 78817784), (2, 39408892), (4, 19704446), (8, 9852223), (53, 1487128), (106, 743564), (211, 373544), (212, 371782), (422, 186772), (424, 185891), (844, 93386), (881, 89464), (1688, 46693), (1762, 44732), (3524, 22366), (7048, 11183)]