261617245

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^2$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 325823904

約数和(自身を除く): 64206659

約数列:

[1, 5, 67, 83, 97, 335, 415, 485, 5561, 6499, 8051, 9409, 27805, 32495, 40255, 47045, 539417, 630403, 780947, 2697085, 3152015, 3904735, 52323449, 261617245]

約数ペア:

[(1, 261617245), (5, 52323449), (67, 3904735), (83, 3152015), (97, 2697085), (335, 780947), (415, 630403), (485, 539417), (5561, 47045), (6499, 40255), (8051, 32495), (9409, 27805)]