131963968

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2309}}^1$

素因数の和:2387

約数の個数: 56

約数和(自身を含む): 281635200

約数和(自身を除く): 149671232

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 64, 76, 94, 152, 188, 304, 376, 608, 752, 893, 1216, 1504, 1786, 2309, 3008, 3572, 4618, 7144, 9236, 14288, 18472, 28576, 36944, 43871, 57152, 73888, 87742, 108523, 147776, 175484, 217046, 350968, 434092, 701936, 868184, 1403872, 1736368, 2061937, 2807744, 3472736, 4123874, 6945472, 8247748, 16495496, 32990992, 65981984, 131963968]

約数ペア:

[(1, 131963968), (2, 65981984), (4, 32990992), (8, 16495496), (16, 8247748), (19, 6945472), (32, 4123874), (38, 3472736), (47, 2807744), (64, 2061937), (76, 1736368), (94, 1403872), (152, 868184), (188, 701936), (304, 434092), (376, 350968), (608, 217046), (752, 175484), (893, 147776), (1216, 108523), (1504, 87742), (1786, 73888), (2309, 57152), (3008, 43871), (3572, 36944), (4618, 28576), (7144, 18472), (9236, 14288)]