408201838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:409

約数の個数: 64

約数和(自身を含む): 725801472

約数和(自身を除く): 317599634

約数列:

[1, 2, 11, 22, 23, 43, 46, 73, 86, 146, 253, 257, 473, 506, 514, 803, 946, 989, 1606, 1679, 1978, 2827, 3139, 3358, 5654, 5911, 6278, 10879, 11051, 11822, 18469, 18761, 21758, 22102, 34529, 36938, 37522, 65021, 69058, 72197, 121561, 130042, 144394, 206371, 243122, 254173, 412742, 431503, 508346, 794167, 806723, 863006, 1588334, 1613446, 2795903, 4746533, 5591806, 8873953, 9493066, 17747906, 18554629, 37109258, 204100919, 408201838]

約数ペア:

[(1, 408201838), (2, 204100919), (11, 37109258), (22, 18554629), (23, 17747906), (43, 9493066), (46, 8873953), (73, 5591806), (86, 4746533), (146, 2795903), (253, 1613446), (257, 1588334), (473, 863006), (506, 806723), (514, 794167), (803, 508346), (946, 431503), (989, 412742), (1606, 254173), (1679, 243122), (1978, 206371), (2827, 144394), (3139, 130042), (3358, 121561), (5654, 72197), (5911, 69058), (6278, 65021), (10879, 37522), (11051, 36938), (11822, 34529), (18469, 22102), (18761, 21758)]