178638668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{33353}}^1$

素因数の和:33473

約数の個数: 24

約数和(自身を含む): 339943968

約数和(自身を除く): 161305300

約数列:

[1, 2, 4, 13, 26, 52, 103, 206, 412, 1339, 2678, 5356, 33353, 66706, 133412, 433589, 867178, 1734356, 3435359, 6870718, 13741436, 44659667, 89319334, 178638668]

約数ペア:

[(1, 178638668), (2, 89319334), (4, 44659667), (13, 13741436), (26, 6870718), (52, 3435359), (103, 1734356), (206, 867178), (412, 433589), (1339, 133412), (2678, 66706), (5356, 33353)]