25679212

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{37987}}^1$

素因数の和:38017

約数の個数: 18

約数和(自身を含む): 48662628

約数和(自身を除く): 22983416

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 37987, 75974, 151948, 493831, 987662, 1975324, 6419803, 12839606, 25679212]

約数ペア:

[(1, 25679212), (2, 12839606), (4, 6419803), (13, 1975324), (26, 987662), (52, 493831), (169, 151948), (338, 75974), (676, 37987)]