25697776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{123547}}^1$

素因数の和:123568

約数の個数: 20

約数和(自身を含む): 53619832

約数和(自身を除く): 27922056

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 123547, 247094, 494188, 988376, 1606111, 1976752, 3212222, 6424444, 12848888, 25697776]

約数ペア:

[(1, 25697776), (2, 12848888), (4, 6424444), (8, 3212222), (13, 1976752), (16, 1606111), (26, 988376), (52, 494188), (104, 247094), (208, 123547)]