25719928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1109}}^1$

素因数の和:1351

約数の個数: 32

約数和(自身を含む): 52214400

約数和(自身を除く): 26494472

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 223, 446, 892, 1109, 1784, 2218, 2899, 4436, 5798, 8872, 11596, 14417, 23192, 28834, 57668, 115336, 247307, 494614, 989228, 1978456, 3214991, 6429982, 12859964, 25719928]

約数ペア:

[(1, 25719928), (2, 12859964), (4, 6429982), (8, 3214991), (13, 1978456), (26, 989228), (52, 494614), (104, 247307), (223, 115336), (446, 57668), (892, 28834), (1109, 23192), (1784, 14417), (2218, 11596), (2899, 8872), (4436, 5798)]