72111578

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20359}}^1$

素因数の和:20402

約数の個数: 32

約数和(自身を含む): 140728320

約数和(自身を除く): 68616742

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 154, 161, 253, 322, 506, 1771, 3542, 20359, 40718, 142513, 223949, 285026, 447898, 468257, 936514, 1567643, 3135286, 3277799, 5150827, 6555598, 10301654, 36055789, 72111578]

約数ペア:

[(1, 72111578), (2, 36055789), (7, 10301654), (11, 6555598), (14, 5150827), (22, 3277799), (23, 3135286), (46, 1567643), (77, 936514), (154, 468257), (161, 447898), (253, 285026), (322, 223949), (506, 142513), (1771, 40718), (3542, 20359)]