81566710

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1\times {\mathrm{463}}^1$

素因数の和:772

約数の個数: 32

約数和(自身を含む): 149667840

約数和(自身を除く): 68101130

約数列:

[1, 2, 5, 10, 79, 158, 223, 395, 446, 463, 790, 926, 1115, 2230, 2315, 4630, 17617, 35234, 36577, 73154, 88085, 103249, 176170, 182885, 206498, 365770, 516245, 1032490, 8156671, 16313342, 40783355, 81566710]

約数ペア:

[(1, 81566710), (2, 40783355), (5, 16313342), (10, 8156671), (79, 1032490), (158, 516245), (223, 365770), (395, 206498), (446, 182885), (463, 176170), (790, 103249), (926, 88085), (1115, 73154), (2230, 36577), (2315, 35234), (4630, 17617)]