220521275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{2963}}^1$

素因数の和:3215

約数の個数: 24

約数和(自身を含む): 295866480

約数和(自身を除く): 75345205

約数列:

[1, 5, 13, 25, 65, 229, 325, 1145, 2963, 2977, 5725, 14815, 14885, 38519, 74075, 74425, 192595, 678527, 962975, 3392635, 8820851, 16963175, 44104255, 220521275]

約数ペア:

[(1, 220521275), (5, 44104255), (13, 16963175), (25, 8820851), (65, 3392635), (229, 962975), (325, 678527), (1145, 192595), (2963, 74425), (2977, 74075), (5725, 38519), (14815, 14885)]