1277487918

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{30817}}^1$

素因数の和:30886

約数の個数: 72

約数和(自身を含む): 3288403872

約数和(自身を除く): 2010915954

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 49, 63, 94, 98, 126, 141, 147, 282, 294, 329, 423, 441, 658, 846, 882, 987, 1974, 2303, 2961, 4606, 5922, 6909, 13818, 20727, 30817, 41454, 61634, 92451, 184902, 215719, 277353, 431438, 554706, 647157, 1294314, 1448399, 1510033, 1941471, 2896798, 3020066, 3882942, 4345197, 4530099, 8690394, 9060198, 10138793, 13035591, 13590297, 20277586, 26071182, 27180594, 30416379, 60832758, 70971551, 91249137, 141943102, 182498274, 212914653, 425829306, 638743959, 1277487918]

約数ペア:

[(1, 1277487918), (2, 638743959), (3, 425829306), (6, 212914653), (7, 182498274), (9, 141943102), (14, 91249137), (18, 70971551), (21, 60832758), (42, 30416379), (47, 27180594), (49, 26071182), (63, 20277586), (94, 13590297), (98, 13035591), (126, 10138793), (141, 9060198), (147, 8690394), (282, 4530099), (294, 4345197), (329, 3882942), (423, 3020066), (441, 2896798), (658, 1941471), (846, 1510033), (882, 1448399), (987, 1294314), (1974, 647157), (2303, 554706), (2961, 431438), (4606, 277353), (5922, 215719), (6909, 184902), (13818, 92451), (20727, 61634), (30817, 41454)]