1311238135285

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1091}}^1\times {\mathrm{18490279}}^1$

素因数の和:18491388

約数の個数: 16

約数和(自身を含む): 1696076403840

約数和(自身を除く): 384838268555

約数列:

[1, 5, 13, 65, 1091, 5455, 14183, 70915, 18490279, 92451395, 240373627, 1201868135, 20172894389, 100864471945, 262247627057, 1311238135285]

約数ペア:

[(1, 1311238135285), (5, 262247627057), (13, 100864471945), (65, 20172894389), (1091, 1201868135), (5455, 240373627), (14183, 92451395), (70915, 18490279)]