2783201590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21409243}}^1$

素因数の和:21409263

約数の個数: 16

約数和(自身を含む): 5395129488

約数和(自身を除く): 2611927898

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 21409243, 42818486, 107046215, 214092430, 278320159, 556640318, 1391600795, 2783201590]

約数ペア:

[(1, 2783201590), (2, 1391600795), (5, 556640318), (10, 278320159), (13, 214092430), (26, 107046215), (65, 42818486), (130, 21409243)]