211399210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83557}}^1$

素因数の和:83598

約数の個数: 32

約数和(自身を含む): 433164672

約数和(自身を除く): 221765462

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 83557, 167114, 417785, 835570, 919127, 1838254, 1921811, 3843622, 4595635, 9191270, 9609055, 19218110, 21139921, 42279842, 105699605, 211399210]

約数ペア:

[(1, 211399210), (2, 105699605), (5, 42279842), (10, 21139921), (11, 19218110), (22, 9609055), (23, 9191270), (46, 4595635), (55, 3843622), (110, 1921811), (115, 1838254), (230, 919127), (253, 835570), (506, 417785), (1265, 167114), (2530, 83557)]