399319992

素因数分解:

$2^3\times 3^2\times {\mathrm{41}}^1\times {\mathrm{135271}}^1$

素因数の和:135324

約数の個数: 48

約数和(自身を含む): 1107877680

約数和(自身を除く): 708557688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 41, 72, 82, 123, 164, 246, 328, 369, 492, 738, 984, 1476, 2952, 135271, 270542, 405813, 541084, 811626, 1082168, 1217439, 1623252, 2434878, 3246504, 4869756, 5546111, 9739512, 11092222, 16638333, 22184444, 33276666, 44368888, 49914999, 66553332, 99829998, 133106664, 199659996, 399319992]

約数ペア:

[(1, 399319992), (2, 199659996), (3, 133106664), (4, 99829998), (6, 66553332), (8, 49914999), (9, 44368888), (12, 33276666), (18, 22184444), (24, 16638333), (36, 11092222), (41, 9739512), (72, 5546111), (82, 4869756), (123, 3246504), (164, 2434878), (246, 1623252), (328, 1217439), (369, 1082168), (492, 811626), (738, 541084), (984, 405813), (1476, 270542), (2952, 135271)]