77978456

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{573371}}^1$

素因数の和:573394

約数の個数: 16

約数和(自身を含む): 154810440

約数和(自身を除く): 76831984

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 573371, 1146742, 2293484, 4586968, 9747307, 19494614, 38989228, 77978456]

約数ペア:

[(1, 77978456), (2, 38989228), (4, 19494614), (8, 9747307), (17, 4586968), (34, 2293484), (68, 1146742), (136, 573371)]