217542872

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{6907}}^1$

素因数の和:7071

約数の個数: 32

約数和(自身を含む): 424427520

約数和(自身を除く): 206884648

約数列:

[1, 2, 4, 8, 31, 62, 124, 127, 248, 254, 508, 1016, 3937, 6907, 7874, 13814, 15748, 27628, 31496, 55256, 214117, 428234, 856468, 877189, 1712936, 1754378, 3508756, 7017512, 27192859, 54385718, 108771436, 217542872]

約数ペア:

[(1, 217542872), (2, 108771436), (4, 54385718), (8, 27192859), (31, 7017512), (62, 3508756), (124, 1754378), (127, 1712936), (248, 877189), (254, 856468), (508, 428234), (1016, 214117), (3937, 55256), (6907, 31496), (7874, 27628), (13814, 15748)]