217871962

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61511}}^1$

素因数の和:61554

約数の個数: 32

約数和(自身を含む): 425170944

約数和(自身を除く): 207298982

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 154, 161, 253, 322, 506, 1771, 3542, 61511, 123022, 430577, 676621, 861154, 1353242, 1414753, 2829506, 4736347, 9472694, 9903271, 15562283, 19806542, 31124566, 108935981, 217871962]

約数ペア:

[(1, 217871962), (2, 108935981), (7, 31124566), (11, 19806542), (14, 15562283), (22, 9903271), (23, 9472694), (46, 4736347), (77, 2829506), (154, 1414753), (161, 1353242), (253, 861154), (322, 676621), (506, 430577), (1771, 123022), (3542, 61511)]