128720896

素因数分解:

$2^{13}\times {\mathrm{19}}^1\times {\mathrm{827}}^1$

素因数の和:872

約数の個数: 56

約数和(自身を含む): 271302480

約数和(自身を除く): 142581584

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 827, 1024, 1216, 1654, 2048, 2432, 3308, 4096, 4864, 6616, 8192, 9728, 13232, 15713, 19456, 26464, 31426, 38912, 52928, 62852, 77824, 105856, 125704, 155648, 211712, 251408, 423424, 502816, 846848, 1005632, 1693696, 2011264, 3387392, 4022528, 6774784, 8045056, 16090112, 32180224, 64360448, 128720896]

約数ペア:

[(1, 128720896), (2, 64360448), (4, 32180224), (8, 16090112), (16, 8045056), (19, 6774784), (32, 4022528), (38, 3387392), (64, 2011264), (76, 1693696), (128, 1005632), (152, 846848), (256, 502816), (304, 423424), (512, 251408), (608, 211712), (827, 155648), (1024, 125704), (1216, 105856), (1654, 77824), (2048, 62852), (2432, 52928), (3308, 38912), (4096, 31426), (4864, 26464), (6616, 19456), (8192, 15713), (9728, 13232)]