81328775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{7993}}^1$

素因数の和:8051

約数の個数: 24

約数和(自身を含む): 113003184

約数和(自身を除く): 31674409

約数列:

[1, 5, 11, 25, 37, 55, 185, 275, 407, 925, 2035, 7993, 10175, 39965, 87923, 199825, 295741, 439615, 1478705, 2198075, 3253151, 7393525, 16265755, 81328775]

約数ペア:

[(1, 81328775), (5, 16265755), (11, 7393525), (25, 3253151), (37, 2198075), (55, 1478705), (185, 439615), (275, 295741), (407, 199825), (925, 87923), (2035, 39965), (7993, 10175)]