217060864

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:511

約数の個数: 80

約数和(自身を含む): 466242480

約数和(自身を除く): 249181616

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 53, 64, 76, 106, 128, 152, 212, 256, 304, 421, 424, 512, 608, 842, 848, 1007, 1216, 1684, 1696, 2014, 2432, 3368, 3392, 4028, 4864, 6736, 6784, 7999, 8056, 9728, 13472, 13568, 15998, 16112, 22313, 26944, 27136, 31996, 32224, 44626, 53888, 63992, 64448, 89252, 107776, 127984, 128896, 178504, 215552, 255968, 257792, 357008, 423947, 511936, 515584, 714016, 847894, 1023872, 1428032, 1695788, 2047744, 2856064, 3391576, 4095488, 5712128, 6783152, 11424256, 13566304, 27132608, 54265216, 108530432, 217060864]

約数ペア:

[(1, 217060864), (2, 108530432), (4, 54265216), (8, 27132608), (16, 13566304), (19, 11424256), (32, 6783152), (38, 5712128), (53, 4095488), (64, 3391576), (76, 2856064), (106, 2047744), (128, 1695788), (152, 1428032), (212, 1023872), (256, 847894), (304, 714016), (421, 515584), (424, 511936), (512, 423947), (608, 357008), (842, 257792), (848, 255968), (1007, 215552), (1216, 178504), (1684, 128896), (1696, 127984), (2014, 107776), (2432, 89252), (3368, 64448), (3392, 63992), (4028, 53888), (4864, 44626), (6736, 32224), (6784, 31996), (7999, 27136), (8056, 26944), (9728, 22313), (13472, 16112), (13568, 15998)]