286974025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{51941}}^1$

素因数の和:51981

約数の個数: 24

約数和(自身を含む): 405770904

約数和(自身を除く): 118796879

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 5525, 51941, 259705, 675233, 882997, 1298525, 3376165, 4414985, 11478961, 16880825, 22074925, 57394805, 286974025]

約数ペア:

[(1, 286974025), (5, 57394805), (13, 22074925), (17, 16880825), (25, 11478961), (65, 4414985), (85, 3376165), (221, 1298525), (325, 882997), (425, 675233), (1105, 259705), (5525, 51941)]