643997696

素因数分解:

$2^{13}\times {\mathrm{127}}^1\times {\mathrm{619}}^1$

素因数の和:772

約数の個数: 56

約数和(自身を含む): 1300154880

約数和(自身を除く): 656157184

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 256, 508, 512, 619, 1016, 1024, 1238, 2032, 2048, 2476, 4064, 4096, 4952, 8128, 8192, 9904, 16256, 19808, 32512, 39616, 65024, 78613, 79232, 130048, 157226, 158464, 260096, 314452, 316928, 520192, 628904, 633856, 1040384, 1257808, 1267712, 2515616, 2535424, 5031232, 5070848, 10062464, 20124928, 40249856, 80499712, 160999424, 321998848, 643997696]

約数ペア:

[(1, 643997696), (2, 321998848), (4, 160999424), (8, 80499712), (16, 40249856), (32, 20124928), (64, 10062464), (127, 5070848), (128, 5031232), (254, 2535424), (256, 2515616), (508, 1267712), (512, 1257808), (619, 1040384), (1016, 633856), (1024, 628904), (1238, 520192), (2032, 316928), (2048, 314452), (2476, 260096), (4064, 158464), (4096, 157226), (4952, 130048), (8128, 79232), (8192, 78613), (9904, 65024), (16256, 39616), (19808, 32512)]