1999986688

素因数分解:

$2^{13}\times 7^1\times {\mathrm{34877}}^1$

素因数の和:34910

約数の個数: 56

約数和(自身を含む): 4571250192

約数和(自身を除く): 2571263504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 2048, 3584, 4096, 7168, 8192, 14336, 28672, 34877, 57344, 69754, 139508, 244139, 279016, 488278, 558032, 976556, 1116064, 1953112, 2232128, 3906224, 4464256, 7812448, 8928512, 15624896, 17857024, 31249792, 35714048, 62499584, 71428096, 124999168, 142856192, 249998336, 285712384, 499996672, 999993344, 1999986688]

約数ペア:

[(1, 1999986688), (2, 999993344), (4, 499996672), (7, 285712384), (8, 249998336), (14, 142856192), (16, 124999168), (28, 71428096), (32, 62499584), (56, 35714048), (64, 31249792), (112, 17857024), (128, 15624896), (224, 8928512), (256, 7812448), (448, 4464256), (512, 3906224), (896, 2232128), (1024, 1953112), (1792, 1116064), (2048, 976556), (3584, 558032), (4096, 488278), (7168, 279016), (8192, 244139), (14336, 139508), (28672, 69754), (34877, 57344)]