219880453390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1691388103}}^1$

素因数の和:1691388123

約数の個数: 16

約数和(自身を含む): 426229802208

約数和(自身を除く): 206349348818

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1691388103, 3382776206, 8456940515, 16913881030, 21988045339, 43976090678, 109940226695, 219880453390]

約数ペア:

[(1, 219880453390), (2, 109940226695), (5, 43976090678), (10, 21988045339), (13, 16913881030), (26, 8456940515), (65, 3382776206), (130, 1691388103)]