127792912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19819}}^1$

素因数の和:19871

約数の個数: 40

約数和(自身を含む): 275260160

約数和(自身を除く): 147467248

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 19819, 39638, 79276, 158552, 257647, 317104, 515294, 614389, 1030588, 1228778, 2061176, 2457556, 4122352, 4915112, 7987057, 9830224, 15974114, 31948228, 63896456, 127792912]

約数ペア:

[(1, 127792912), (2, 63896456), (4, 31948228), (8, 15974114), (13, 9830224), (16, 7987057), (26, 4915112), (31, 4122352), (52, 2457556), (62, 2061176), (104, 1228778), (124, 1030588), (208, 614389), (248, 515294), (403, 317104), (496, 257647), (806, 158552), (1612, 79276), (3224, 39638), (6448, 19819)]