142744225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1709}}^1$

素因数の和:1989

約数の個数: 24

約数和(自身を含む): 191472120

約数和(自身を除く): 48727895

約数列:

[1, 5, 13, 25, 65, 257, 325, 1285, 1709, 3341, 6425, 8545, 16705, 22217, 42725, 83525, 111085, 439213, 555425, 2196065, 5709769, 10980325, 28548845, 142744225]

約数ペア:

[(1, 142744225), (5, 28548845), (13, 10980325), (25, 5709769), (65, 2196065), (257, 555425), (325, 439213), (1285, 111085), (1709, 83525), (3341, 42725), (6425, 22217), (8545, 16705)]