127980198

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{419}}^1$

素因数の和:737

約数の個数: 48

約数和(自身を含む): 283046400

約数和(自身を除く): 155066202

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 239, 419, 426, 478, 639, 717, 838, 1257, 1278, 1434, 2151, 2514, 3771, 4302, 7542, 16969, 29749, 33938, 50907, 59498, 89247, 100141, 101814, 152721, 178494, 200282, 267741, 300423, 305442, 535482, 600846, 901269, 1802538, 7110011, 14220022, 21330033, 42660066, 63990099, 127980198]

約数ペア:

[(1, 127980198), (2, 63990099), (3, 42660066), (6, 21330033), (9, 14220022), (18, 7110011), (71, 1802538), (142, 901269), (213, 600846), (239, 535482), (419, 305442), (426, 300423), (478, 267741), (639, 200282), (717, 178494), (838, 152721), (1257, 101814), (1278, 100141), (1434, 89247), (2151, 59498), (2514, 50907), (3771, 33938), (4302, 29749), (7542, 16969)]