78641792

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{19819}}^1$

素因数の和:19864

約数の個数: 32

約数和(自身を含む): 161731200

約数和(自身を除く): 83089408

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 19819, 39638, 79276, 158552, 317104, 614389, 634208, 1228778, 1268416, 2457556, 2536832, 4915112, 9830224, 19660448, 39320896, 78641792]

約数ペア:

[(1, 78641792), (2, 39320896), (4, 19660448), (8, 9830224), (16, 4915112), (31, 2536832), (32, 2457556), (62, 1268416), (64, 1228778), (124, 634208), (128, 614389), (248, 317104), (496, 158552), (992, 79276), (1984, 39638), (3968, 19819)]