72278305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3361}}^1$

素因数の和:3417

約数の個数: 32

約数和(自身を含む): 104571648

約数和(自身を除く): 32293343

約数列:

[1, 5, 11, 17, 23, 55, 85, 115, 187, 253, 391, 935, 1265, 1955, 3361, 4301, 16805, 21505, 36971, 57137, 77303, 184855, 285685, 386515, 628507, 850333, 1314151, 3142535, 4251665, 6570755, 14455661, 72278305]

約数ペア:

[(1, 72278305), (5, 14455661), (11, 6570755), (17, 4251665), (23, 3142535), (55, 1314151), (85, 850333), (115, 628507), (187, 386515), (253, 285685), (391, 184855), (935, 77303), (1265, 57137), (1955, 36971), (3361, 21505), (4301, 16805)]