128642978

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{71389}}^1$

素因数の和:71461

約数の個数: 16

約数和(自身を含む): 208173240

約数和(自身を除く): 79530262

約数列:

[1, 2, 17, 34, 53, 106, 901, 1802, 71389, 142778, 1213613, 2427226, 3783617, 7567234, 64321489, 128642978]

約数ペア:

[(1, 128642978), (2, 64321489), (17, 7567234), (34, 3783617), (53, 2427226), (106, 1213613), (901, 142778), (1802, 71389)]