77881988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{8069}}^1$

素因数の和:8219

約数の個数: 24

約数和(自身を含む): 144614400

約数和(自身を除く): 66732412

約数列:

[1, 2, 4, 19, 38, 76, 127, 254, 508, 2413, 4826, 8069, 9652, 16138, 32276, 153311, 306622, 613244, 1024763, 2049526, 4099052, 19470497, 38940994, 77881988]

約数ペア:

[(1, 77881988), (2, 38940994), (4, 19470497), (19, 4099052), (38, 2049526), (76, 1024763), (127, 613244), (254, 306622), (508, 153311), (2413, 32276), (4826, 16138), (8069, 9652)]