72142213

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{257}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 86118336

約数和(自身を除く): 13976123

約数列:

[1, 11, 13, 143, 151, 169, 257, 1661, 1859, 1963, 2827, 3341, 21593, 25519, 36751, 38807, 43433, 280709, 426877, 477763, 504491, 5549401, 6558383, 72142213]

約数ペア:

[(1, 72142213), (11, 6558383), (13, 5549401), (143, 504491), (151, 477763), (169, 426877), (257, 280709), (1661, 43433), (1859, 38807), (1963, 36751), (2827, 25519), (3341, 21593)]