81391758

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{8537}}^1$

素因数の和:8776

約数の個数: 32

約数和(自身を含む): 186879744

約数和(自身を除く): 105487986

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 227, 454, 681, 1362, 1589, 3178, 4767, 8537, 9534, 17074, 25611, 51222, 59759, 119518, 179277, 358554, 1937899, 3875798, 5813697, 11627394, 13565293, 27130586, 40695879, 81391758]

約数ペア:

[(1, 81391758), (2, 40695879), (3, 27130586), (6, 13565293), (7, 11627394), (14, 5813697), (21, 3875798), (42, 1937899), (227, 358554), (454, 179277), (681, 119518), (1362, 59759), (1589, 51222), (3178, 25611), (4767, 17074), (8537, 9534)]