403840970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3106469}}^1$

素因数の和:3106489

約数の個数: 16

約数和(自身を含む): 782830440

約数和(自身を除く): 378989470

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 3106469, 6212938, 15532345, 31064690, 40384097, 80768194, 201920485, 403840970]

約数ペア:

[(1, 403840970), (2, 201920485), (5, 80768194), (10, 40384097), (13, 31064690), (26, 15532345), (65, 6212938), (130, 3106469)]