242595275

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{857}}^1$

素因数の和:960

約数の個数: 36

約数和(自身を含む): 330985512

約数和(自身を除く): 88390237

約数列:

[1, 5, 13, 25, 65, 67, 169, 325, 335, 845, 857, 871, 1675, 4225, 4285, 4355, 11141, 11323, 21425, 21775, 55705, 56615, 57419, 144833, 278525, 283075, 287095, 724165, 746447, 1435475, 3620825, 3732235, 9703811, 18661175, 48519055, 242595275]

約数ペア:

[(1, 242595275), (5, 48519055), (13, 18661175), (25, 9703811), (65, 3732235), (67, 3620825), (169, 1435475), (325, 746447), (335, 724165), (845, 287095), (857, 283075), (871, 278525), (1675, 144833), (4225, 57419), (4285, 56615), (4355, 55705), (11141, 21775), (11323, 21425)]