28901888

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{2971}}^1$

素因数の和:3008

約数の個数: 40

約数和(自身を含む): 60807120

約数和(自身を除く): 31905232

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 2432, 2971, 4864, 5942, 9728, 11884, 23768, 47536, 56449, 95072, 112898, 190144, 225796, 380288, 451592, 760576, 903184, 1521152, 1806368, 3612736, 7225472, 14450944, 28901888]

約数ペア:

[(1, 28901888), (2, 14450944), (4, 7225472), (8, 3612736), (16, 1806368), (19, 1521152), (32, 903184), (38, 760576), (64, 451592), (76, 380288), (128, 225796), (152, 190144), (256, 112898), (304, 95072), (512, 56449), (608, 47536), (1216, 23768), (2432, 11884), (2971, 9728), (4864, 5942)]