215121116

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{17581}}^1$

素因数の和:17634

約数の個数: 48

約数和(自身を含む): 472604160

約数和(自身を除く): 257483044

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 76, 92, 133, 161, 266, 322, 437, 532, 644, 874, 1748, 3059, 6118, 12236, 17581, 35162, 70324, 123067, 246134, 334039, 404363, 492268, 668078, 808726, 1336156, 1617452, 2338273, 2830541, 4676546, 5661082, 7682897, 9353092, 11322164, 15365794, 30731588, 53780279, 107560558, 215121116]

約数ペア:

[(1, 215121116), (2, 107560558), (4, 53780279), (7, 30731588), (14, 15365794), (19, 11322164), (23, 9353092), (28, 7682897), (38, 5661082), (46, 4676546), (76, 2830541), (92, 2338273), (133, 1617452), (161, 1336156), (266, 808726), (322, 668078), (437, 492268), (532, 404363), (644, 334039), (874, 246134), (1748, 123067), (3059, 70324), (6118, 35162), (12236, 17581)]