66605456

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{244873}}^1$

素因数の和:244898

約数の個数: 20

約数和(自身を含む): 136639692

約数和(自身を除く): 70034236

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 244873, 489746, 979492, 1958984, 3917968, 4162841, 8325682, 16651364, 33302728, 66605456]

約数ペア:

[(1, 66605456), (2, 33302728), (4, 16651364), (8, 8325682), (16, 4162841), (17, 3917968), (34, 1958984), (68, 979492), (136, 489746), (272, 244873)]