206219905

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{12917}}^1$

素因数の和:13056

約数の個数: 16

約数和(自身を含む): 257946624

約数和(自身を除く): 51726719

約数列:

[1, 5, 31, 103, 155, 515, 3193, 12917, 15965, 64585, 400427, 1330451, 2002135, 6652255, 41243981, 206219905]

約数ペア:

[(1, 206219905), (5, 41243981), (31, 6652255), (103, 2002135), (155, 1330451), (515, 400427), (3193, 64585), (12917, 15965)]