220193743

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 294174720

約数和(自身を除く): 73980977

約数列:

[1, 7, 11, 23, 77, 89, 121, 127, 161, 253, 623, 847, 889, 979, 1397, 1771, 2047, 2783, 2921, 6853, 9779, 10769, 11303, 14329, 15367, 19481, 20447, 22517, 32131, 75383, 79121, 107569, 124333, 157619, 224917, 247687, 259969, 353441, 870331, 1367663, 1733809, 1819783, 2474087, 2859659, 9573641, 20017613, 31456249, 220193743]

約数ペア:

[(1, 220193743), (7, 31456249), (11, 20017613), (23, 9573641), (77, 2859659), (89, 2474087), (121, 1819783), (127, 1733809), (161, 1367663), (253, 870331), (623, 353441), (847, 259969), (889, 247687), (979, 224917), (1397, 157619), (1771, 124333), (2047, 107569), (2783, 79121), (2921, 75383), (6853, 32131), (9779, 22517), (10769, 20447), (11303, 19481), (14329, 15367)]