26665808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{128201}}^1$

素因数の和:128222

約数の個数: 20

約数和(自身を含む): 55639668

約数和(自身を除く): 28973860

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 128201, 256402, 512804, 1025608, 1666613, 2051216, 3333226, 6666452, 13332904, 26665808]

約数ペア:

[(1, 26665808), (2, 13332904), (4, 6666452), (8, 3333226), (13, 2051216), (16, 1666613), (26, 1025608), (52, 512804), (104, 256402), (208, 128201)]