216924656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{1627}}^1$

素因数の和:2289

約数の個数: 40

約数和(自身を含む): 453606384

約数和(自身を除く): 236681728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 641, 1282, 1627, 2564, 3254, 5128, 6508, 8333, 10256, 13016, 16666, 21151, 26032, 33332, 42302, 66664, 84604, 133328, 169208, 338416, 1042907, 2085814, 4171628, 8343256, 13557791, 16686512, 27115582, 54231164, 108462328, 216924656]

約数ペア:

[(1, 216924656), (2, 108462328), (4, 54231164), (8, 27115582), (13, 16686512), (16, 13557791), (26, 8343256), (52, 4171628), (104, 2085814), (208, 1042907), (641, 338416), (1282, 169208), (1627, 133328), (2564, 84604), (3254, 66664), (5128, 42302), (6508, 33332), (8333, 26032), (10256, 21151), (13016, 16666)]