81497456

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{299623}}^1$

素因数の和:299648

約数の個数: 20

約数和(自身を含む): 167190192

約数和(自身を除く): 85692736

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 299623, 599246, 1198492, 2396984, 4793968, 5093591, 10187182, 20374364, 40748728, 81497456]

約数ペア:

[(1, 81497456), (2, 40748728), (4, 20374364), (8, 10187182), (16, 5093591), (17, 4793968), (34, 2396984), (68, 1198492), (136, 599246), (272, 299623)]