25832989

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 34119680

約数和(自身を除く): 8286691

約数列:

[1, 7, 13, 19, 67, 91, 133, 223, 247, 469, 871, 1273, 1561, 1729, 2899, 4237, 6097, 8911, 14941, 16549, 20293, 29659, 55081, 104587, 115843, 194233, 283879, 385567, 1359631, 1987153, 3690427, 25832989]

約数ペア:

[(1, 25832989), (7, 3690427), (13, 1987153), (19, 1359631), (67, 385567), (91, 283879), (133, 194233), (223, 115843), (247, 104587), (469, 55081), (871, 29659), (1273, 20293), (1561, 16549), (1729, 14941), (2899, 8911), (4237, 6097)]