25468664

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12889}}^1$

素因数の和:12927

約数の個数: 32

約数和(自身を含む): 54138000

約数和(自身を除く): 28669336

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 12889, 25778, 51556, 103112, 167557, 244891, 335114, 489782, 670228, 979564, 1340456, 1959128, 3183583, 6367166, 12734332, 25468664]

約数ペア:

[(1, 25468664), (2, 12734332), (4, 6367166), (8, 3183583), (13, 1959128), (19, 1340456), (26, 979564), (38, 670228), (52, 489782), (76, 335114), (104, 244891), (152, 167557), (247, 103112), (494, 51556), (988, 25778), (1976, 12889)]