128618896

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{11839}}^1$

素因数の和:11951

約数の個数: 40

約数和(自身を含む): 287759360

約数和(自身を除く): 159140464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 112, 194, 388, 679, 776, 1358, 1552, 2716, 5432, 10864, 11839, 23678, 47356, 82873, 94712, 165746, 189424, 331492, 662984, 1148383, 1325968, 2296766, 4593532, 8038681, 9187064, 16077362, 18374128, 32154724, 64309448, 128618896]

約数ペア:

[(1, 128618896), (2, 64309448), (4, 32154724), (7, 18374128), (8, 16077362), (14, 9187064), (16, 8038681), (28, 4593532), (56, 2296766), (97, 1325968), (112, 1148383), (194, 662984), (388, 331492), (679, 189424), (776, 165746), (1358, 94712), (1552, 82873), (2716, 47356), (5432, 23678), (10864, 11839)]