205074145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{349}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 270950400

約数和(自身を除く): 65876255

約数列:

[1, 5, 17, 31, 85, 155, 223, 349, 527, 1115, 1745, 2635, 3791, 5933, 6913, 10819, 18955, 29665, 34565, 54095, 77827, 117521, 183923, 389135, 587605, 919615, 1323059, 2412637, 6615295, 12063185, 41014829, 205074145]

約数ペア:

[(1, 205074145), (5, 41014829), (17, 12063185), (31, 6615295), (85, 2412637), (155, 1323059), (223, 919615), (349, 587605), (527, 389135), (1115, 183923), (1745, 117521), (2635, 77827), (3791, 54095), (5933, 34565), (6913, 29665), (10819, 18955)]