51721456

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{28607}}^1$

素因数の和:28728

約数の個数: 20

約数和(自身を含む): 101100672

約数和(自身を除く): 49379216

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 28607, 57214, 114428, 228856, 457712, 3232591, 6465182, 12930364, 25860728, 51721456]

約数ペア:

[(1, 51721456), (2, 25860728), (4, 12930364), (8, 6465182), (16, 3232591), (113, 457712), (226, 228856), (452, 114428), (904, 57214), (1808, 28607)]