1281196072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{12319193}}^1$

素因数の和:12319212

約数の個数: 16

約数和(自身を含む): 2587030740

約数和(自身を除く): 1305834668

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 12319193, 24638386, 49276772, 98553544, 160149509, 320299018, 640598036, 1281196072]

約数ペア:

[(1, 1281196072), (2, 640598036), (4, 320299018), (8, 160149509), (13, 98553544), (26, 49276772), (52, 24638386), (104, 12319193)]