25411984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{122173}}^1$

素因数の和:122194

約数の個数: 20

約数和(自身を含む): 53023516

約数和(自身を除く): 27611532

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 122173, 244346, 488692, 977384, 1588249, 1954768, 3176498, 6352996, 12705992, 25411984]

約数ペア:

[(1, 25411984), (2, 12705992), (4, 6352996), (8, 3176498), (13, 1954768), (16, 1588249), (26, 977384), (52, 488692), (104, 244346), (208, 122173)]