217545130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{10039}}^1$

素因数の和:10254

約数の個数: 32

約数和(自身を含む): 429390720

約数和(自身を除く): 211845590

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 197, 394, 985, 1970, 2167, 4334, 10039, 10835, 20078, 21670, 50195, 100390, 110429, 220858, 552145, 1104290, 1977683, 3955366, 9888415, 19776830, 21754513, 43509026, 108772565, 217545130]

約数ペア:

[(1, 217545130), (2, 108772565), (5, 43509026), (10, 21754513), (11, 19776830), (22, 9888415), (55, 3955366), (110, 1977683), (197, 1104290), (394, 552145), (985, 220858), (1970, 110429), (2167, 100390), (4334, 50195), (10039, 21670), (10835, 20078)]