393488788

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1091}}^1\times {\mathrm{1171}}^1$

素因数の和:2284

約数の個数: 48

約数和(自身を含む): 860041728

約数和(自身を除く): 466552940

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 1091, 1171, 2182, 2342, 4364, 4684, 7637, 8197, 12001, 12881, 15274, 16394, 24002, 25762, 30548, 32788, 48004, 51524, 84007, 90167, 168014, 180334, 336028, 360668, 1277561, 2555122, 5110244, 8942927, 14053171, 17885854, 28106342, 35771708, 56212684, 98372197, 196744394, 393488788]

約数ペア:

[(1, 393488788), (2, 196744394), (4, 98372197), (7, 56212684), (11, 35771708), (14, 28106342), (22, 17885854), (28, 14053171), (44, 8942927), (77, 5110244), (154, 2555122), (308, 1277561), (1091, 360668), (1171, 336028), (2182, 180334), (2342, 168014), (4364, 90167), (4684, 84007), (7637, 51524), (8197, 48004), (12001, 32788), (12881, 30548), (15274, 25762), (16394, 24002)]