81649744

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{463919}}^1$

素因数の和:463938

約数の個数: 20

約数和(自身を含む): 172578240

約数和(自身を除く): 90928496

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 463919, 927838, 1855676, 3711352, 5103109, 7422704, 10206218, 20412436, 40824872, 81649744]

約数ペア:

[(1, 81649744), (2, 40824872), (4, 20412436), (8, 10206218), (11, 7422704), (16, 5103109), (22, 3711352), (44, 1855676), (88, 927838), (176, 463919)]