78170864

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{257141}}^1$

素因数の和:257168

約数の個数: 20

約数和(自身を含む): 159428040

約数和(自身を除く): 81257176

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 257141, 514282, 1028564, 2057128, 4114256, 4885679, 9771358, 19542716, 39085432, 78170864]

約数ペア:

[(1, 78170864), (2, 39085432), (4, 19542716), (8, 9771358), (16, 4885679), (19, 4114256), (38, 2057128), (76, 1028564), (152, 514282), (304, 257141)]