81921488

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{465463}}^1$

素因数の和:465482

約数の個数: 20

約数和(自身を含む): 173152608

約数和(自身を除く): 91231120

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 465463, 930926, 1861852, 3723704, 5120093, 7447408, 10240186, 20480372, 40960744, 81921488]

約数ペア:

[(1, 81921488), (2, 40960744), (4, 20480372), (8, 10240186), (11, 7447408), (16, 5120093), (22, 3723704), (44, 1861852), (88, 930926), (176, 465463)]