217321808

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{112253}}^1$

素因数の和:112283

約数の個数: 30

約数和(自身を含む): 462823242

約数和(自身を除く): 245501434

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 112253, 224506, 449012, 898024, 1234783, 1796048, 2469566, 4939132, 9878264, 13582613, 19756528, 27165226, 54330452, 108660904, 217321808]

約数ペア:

[(1, 217321808), (2, 108660904), (4, 54330452), (8, 27165226), (11, 19756528), (16, 13582613), (22, 9878264), (44, 4939132), (88, 2469566), (121, 1796048), (176, 1234783), (242, 898024), (484, 449012), (968, 224506), (1936, 112253)]