278428748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{27743}}^1$

素因数の和:27953

約数の個数: 24

約数和(自身を含む): 527468928

約数和(自身を除く): 249040180

約数列:

[1, 2, 4, 13, 26, 52, 193, 386, 772, 2509, 5018, 10036, 27743, 55486, 110972, 360659, 721318, 1442636, 5354399, 10708798, 21417596, 69607187, 139214374, 278428748]

約数ペア:

[(1, 278428748), (2, 139214374), (4, 69607187), (13, 21417596), (26, 10708798), (52, 5354399), (193, 1442636), (386, 721318), (772, 360659), (2509, 110972), (5018, 55486), (10036, 27743)]