78940744

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 163296000

約数和(自身を除く): 84355256

約数列:

[1, 2, 4, 8, 19, 38, 41, 53, 76, 82, 106, 152, 164, 212, 239, 328, 424, 478, 779, 956, 1007, 1558, 1912, 2014, 2173, 3116, 4028, 4346, 4541, 6232, 8056, 8692, 9082, 9799, 12667, 17384, 18164, 19598, 25334, 36328, 39196, 41287, 50668, 78392, 82574, 101336, 165148, 186181, 240673, 330296, 372362, 481346, 519347, 744724, 962692, 1038694, 1489448, 1925384, 2077388, 4154776, 9867593, 19735186, 39470372, 78940744]

約数ペア:

[(1, 78940744), (2, 39470372), (4, 19735186), (8, 9867593), (19, 4154776), (38, 2077388), (41, 1925384), (53, 1489448), (76, 1038694), (82, 962692), (106, 744724), (152, 519347), (164, 481346), (212, 372362), (239, 330296), (328, 240673), (424, 186181), (478, 165148), (779, 101336), (956, 82574), (1007, 78392), (1558, 50668), (1912, 41287), (2014, 39196), (2173, 36328), (3116, 25334), (4028, 19598), (4346, 18164), (4541, 17384), (6232, 12667), (8056, 9799), (8692, 9082)]