221489710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{131059}}^1$

素因数の和:131092

約数の個数: 24

約数和(自身を含む): 431711640

約数和(自身を除く): 210221930

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 131059, 262118, 655295, 1310590, 1703767, 3407534, 8518835, 17037670, 22148971, 44297942, 110744855, 221489710]

約数ペア:

[(1, 221489710), (2, 110744855), (5, 44297942), (10, 22148971), (13, 17037670), (26, 8518835), (65, 3407534), (130, 1703767), (169, 1310590), (338, 655295), (845, 262118), (1690, 131059)]