656700816

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1\times {\mathrm{853}}^1$

素因数の和:1280

約数の個数: 80

約数和(自身を含む): 1742624576

約数和(自身を除く): 1085923760

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 373, 516, 688, 746, 853, 1032, 1119, 1492, 1706, 2064, 2238, 2559, 2984, 3412, 4476, 5118, 5968, 6824, 8952, 10236, 13648, 16039, 17904, 20472, 32078, 36679, 40944, 48117, 64156, 73358, 96234, 110037, 128312, 146716, 192468, 220074, 256624, 293432, 318169, 384936, 440148, 586864, 636338, 769872, 880296, 954507, 1272676, 1760592, 1909014, 2545352, 3818028, 5090704, 7636056, 13681267, 15272112, 27362534, 41043801, 54725068, 82087602, 109450136, 164175204, 218900272, 328350408, 656700816]

約数ペア:

[(1, 656700816), (2, 328350408), (3, 218900272), (4, 164175204), (6, 109450136), (8, 82087602), (12, 54725068), (16, 41043801), (24, 27362534), (43, 15272112), (48, 13681267), (86, 7636056), (129, 5090704), (172, 3818028), (258, 2545352), (344, 1909014), (373, 1760592), (516, 1272676), (688, 954507), (746, 880296), (853, 769872), (1032, 636338), (1119, 586864), (1492, 440148), (1706, 384936), (2064, 318169), (2238, 293432), (2559, 256624), (2984, 220074), (3412, 192468), (4476, 146716), (5118, 128312), (5968, 110037), (6824, 96234), (8952, 73358), (10236, 64156), (13648, 48117), (16039, 40944), (17904, 36679), (20472, 32078)]