12900290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99233}}^1$

素因数の和:99253

約数の個数: 16

約数和(自身を含む): 25006968

約数和(自身を除く): 12106678

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 99233, 198466, 496165, 992330, 1290029, 2580058, 6450145, 12900290]

約数ペア:

[(1, 12900290), (2, 6450145), (5, 2580058), (10, 1290029), (13, 992330), (26, 496165), (65, 198466), (130, 99233)]