81555344

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{30161}}^1$

素因数の和:30195

約数の個数: 30

約数和(自身を含む): 171109026

約数和(自身を除く): 89553682

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 30161, 60322, 120644, 241288, 392093, 482576, 784186, 1568372, 3136744, 5097209, 6273488, 10194418, 20388836, 40777672, 81555344]

約数ペア:

[(1, 81555344), (2, 40777672), (4, 20388836), (8, 10194418), (13, 6273488), (16, 5097209), (26, 3136744), (52, 1568372), (104, 784186), (169, 482576), (208, 392093), (338, 241288), (676, 120644), (1352, 60322), (2704, 30161)]