156905287

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4663}}^1$

素因数の和:4723

約数の個数: 32

約数和(自身を含む): 214917120

約数和(自身を除く): 58011833

約数列:

[1, 7, 11, 19, 23, 77, 133, 161, 209, 253, 437, 1463, 1771, 3059, 4663, 4807, 32641, 33649, 51293, 88597, 107249, 359051, 620179, 750743, 974567, 1179739, 2037731, 6821969, 8258173, 14264117, 22415041, 156905287]

約数ペア:

[(1, 156905287), (7, 22415041), (11, 14264117), (19, 8258173), (23, 6821969), (77, 2037731), (133, 1179739), (161, 974567), (209, 750743), (253, 620179), (437, 359051), (1463, 107249), (1771, 88597), (3059, 51293), (4663, 33649), (4807, 32641)]