81469256

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{1901}}^1$

素因数の和:2405

約数の個数: 32

約数和(自身を含む): 167071680

約数和(自身を除く): 85602424

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 487, 974, 1901, 1948, 3802, 3896, 5357, 7604, 10714, 15208, 20911, 21428, 41822, 42856, 83644, 167288, 925787, 1851574, 3703148, 7406296, 10183657, 20367314, 40734628, 81469256]

約数ペア:

[(1, 81469256), (2, 40734628), (4, 20367314), (8, 10183657), (11, 7406296), (22, 3703148), (44, 1851574), (88, 925787), (487, 167288), (974, 83644), (1901, 42856), (1948, 41822), (3802, 21428), (3896, 20911), (5357, 15208), (7604, 10714)]