821620256

素因数分解:

$2^5\times {\mathrm{73}}^1\times {\mathrm{547}}^1\times {\mathrm{643}}^1$

素因数の和:1273

約数の個数: 48

約数和(自身を含む): 1645275744

約数和(自身を除く): 823655488

約数列:

[1, 2, 4, 8, 16, 32, 73, 146, 292, 547, 584, 643, 1094, 1168, 1286, 2188, 2336, 2572, 4376, 5144, 8752, 10288, 17504, 20576, 39931, 46939, 79862, 93878, 159724, 187756, 319448, 351721, 375512, 638896, 703442, 751024, 1277792, 1406884, 1502048, 2813768, 5627536, 11255072, 25675633, 51351266, 102702532, 205405064, 410810128, 821620256]

約数ペア:

[(1, 821620256), (2, 410810128), (4, 205405064), (8, 102702532), (16, 51351266), (32, 25675633), (73, 11255072), (146, 5627536), (292, 2813768), (547, 1502048), (584, 1406884), (643, 1277792), (1094, 751024), (1168, 703442), (1286, 638896), (2188, 375512), (2336, 351721), (2572, 319448), (4376, 187756), (5144, 159724), (8752, 93878), (10288, 79862), (17504, 46939), (20576, 39931)]