287769258

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{509}}^1\times {\mathrm{641}}^1$

素因数の和:1172

約数の個数: 72

約数和(自身を含む): 727854660

約数和(自身を除く): 440085402

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 509, 641, 882, 1018, 1282, 1527, 1923, 3054, 3563, 3846, 4487, 4581, 5769, 7126, 8974, 9162, 10689, 11538, 13461, 21378, 24941, 26922, 31409, 32067, 40383, 49882, 62818, 64134, 74823, 80766, 94227, 149646, 188454, 224469, 282681, 326269, 448938, 565362, 652538, 978807, 1957614, 2283883, 2936421, 4567766, 5872842, 6851649, 13703298, 15987181, 20554947, 31974362, 41109894, 47961543, 95923086, 143884629, 287769258]

約数ペア:

[(1, 287769258), (2, 143884629), (3, 95923086), (6, 47961543), (7, 41109894), (9, 31974362), (14, 20554947), (18, 15987181), (21, 13703298), (42, 6851649), (49, 5872842), (63, 4567766), (98, 2936421), (126, 2283883), (147, 1957614), (294, 978807), (441, 652538), (509, 565362), (641, 448938), (882, 326269), (1018, 282681), (1282, 224469), (1527, 188454), (1923, 149646), (3054, 94227), (3563, 80766), (3846, 74823), (4487, 64134), (4581, 62818), (5769, 49882), (7126, 40383), (8974, 32067), (9162, 31409), (10689, 26922), (11538, 24941), (13461, 21378)]