291740072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{2805193}}^1$

素因数の和:2805212

約数の個数: 16

約数和(自身を含む): 589090740

約数和(自身を除く): 297350668

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 2805193, 5610386, 11220772, 22441544, 36467509, 72935018, 145870036, 291740072]

約数ペア:

[(1, 291740072), (2, 145870036), (4, 72935018), (8, 36467509), (13, 22441544), (26, 11220772), (52, 5610386), (104, 2805193)]