25843376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{124247}}^1$

素因数の和:124268

約数の個数: 20

約数和(自身を含む): 53923632

約数和(自身を除く): 28080256

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 124247, 248494, 496988, 993976, 1615211, 1987952, 3230422, 6460844, 12921688, 25843376]

約数ペア:

[(1, 25843376), (2, 12921688), (4, 6460844), (8, 3230422), (13, 1987952), (16, 1615211), (26, 993976), (52, 496988), (104, 248494), (208, 124247)]