77880772

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{9949}}^1$

素因数の和:10075

約数の個数: 24

約数和(自身を含む): 144872000

約数和(自身を除く): 66991228

約数列:

[1, 2, 4, 19, 38, 76, 103, 206, 412, 1957, 3914, 7828, 9949, 19898, 39796, 189031, 378062, 756124, 1024747, 2049494, 4098988, 19470193, 38940386, 77880772]

約数ペア:

[(1, 77880772), (2, 38940386), (4, 19470193), (19, 4098988), (38, 2049494), (76, 1024747), (103, 756124), (206, 378062), (412, 189031), (1957, 39796), (3914, 19898), (7828, 9949)]