78498868

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{21401}}^1$

素因数の和:21543

約数の個数: 24

約数和(自身を含む): 158203584

約数和(自身を除く): 79704716

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 21401, 42802, 85604, 149807, 299614, 599228, 2803531, 5607062, 11214124, 19624717, 39249434, 78498868]

約数ペア:

[(1, 78498868), (2, 39249434), (4, 19624717), (7, 11214124), (14, 5607062), (28, 2803531), (131, 599228), (262, 299614), (524, 149807), (917, 85604), (1834, 42802), (3668, 21401)]