261978708482

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61603}}^1\times {\mathrm{111913}}^1$

素因数の和:173537

約数の個数: 16

約数和(自身を含む): 413661003360

約数和(自身を除く): 151682294878

約数列:

[1, 2, 19, 38, 61603, 111913, 123206, 223826, 1170457, 2126347, 2340914, 4252694, 6894176539, 13788353078, 130989354241, 261978708482]

約数ペア:

[(1, 261978708482), (2, 130989354241), (19, 13788353078), (38, 6894176539), (61603, 4252694), (111913, 2340914), (123206, 2126347), (223826, 1170457)]