1991156784

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{743}}^1\times {\mathrm{1801}}^1$

素因数の和:2586

約数の個数: 80

約数和(自身を含む): 5319849984

約数和(自身を除く): 3328693200

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 743, 744, 1486, 1488, 1801, 2229, 2972, 3602, 4458, 5403, 5944, 7204, 8916, 10806, 11888, 14408, 17832, 21612, 23033, 28816, 35664, 43224, 46066, 55831, 69099, 86448, 92132, 111662, 138198, 167493, 184264, 223324, 276396, 334986, 368528, 446648, 552792, 669972, 893296, 1105584, 1338143, 1339944, 2676286, 2679888, 4014429, 5352572, 8028858, 10705144, 16057716, 21410288, 32115432, 41482433, 64230864, 82964866, 124447299, 165929732, 248894598, 331859464, 497789196, 663718928, 995578392, 1991156784]

約数ペア:

[(1, 1991156784), (2, 995578392), (3, 663718928), (4, 497789196), (6, 331859464), (8, 248894598), (12, 165929732), (16, 124447299), (24, 82964866), (31, 64230864), (48, 41482433), (62, 32115432), (93, 21410288), (124, 16057716), (186, 10705144), (248, 8028858), (372, 5352572), (496, 4014429), (743, 2679888), (744, 2676286), (1486, 1339944), (1488, 1338143), (1801, 1105584), (2229, 893296), (2972, 669972), (3602, 552792), (4458, 446648), (5403, 368528), (5944, 334986), (7204, 276396), (8916, 223324), (10806, 184264), (11888, 167493), (14408, 138198), (17832, 111662), (21612, 92132), (23033, 86448), (28816, 69099), (35664, 55831), (43224, 46066)]