257902848

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{15991}}^1$

素因数の和:16020

約数の個数: 108

約数和(自身を含む): 849878848

約数和(自身を除く): 591976000

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 256, 288, 336, 384, 448, 504, 576, 672, 768, 896, 1008, 1152, 1344, 1792, 2016, 2304, 2688, 4032, 5376, 8064, 15991, 16128, 31982, 47973, 63964, 95946, 111937, 127928, 143919, 191892, 223874, 255856, 287838, 335811, 383784, 447748, 511712, 575676, 671622, 767568, 895496, 1007433, 1023424, 1151352, 1343244, 1535136, 1790992, 2014866, 2046848, 2302704, 2686488, 3070272, 3581984, 4029732, 4093696, 4605408, 5372976, 6140544, 7163968, 8059464, 9210816, 10745952, 12281088, 14327936, 16118928, 18421632, 21491904, 28655872, 32237856, 36843264, 42983808, 64475712, 85967616, 128951424, 257902848]

約数ペア:

[(1, 257902848), (2, 128951424), (3, 85967616), (4, 64475712), (6, 42983808), (7, 36843264), (8, 32237856), (9, 28655872), (12, 21491904), (14, 18421632), (16, 16118928), (18, 14327936), (21, 12281088), (24, 10745952), (28, 9210816), (32, 8059464), (36, 7163968), (42, 6140544), (48, 5372976), (56, 4605408), (63, 4093696), (64, 4029732), (72, 3581984), (84, 3070272), (96, 2686488), (112, 2302704), (126, 2046848), (128, 2014866), (144, 1790992), (168, 1535136), (192, 1343244), (224, 1151352), (252, 1023424), (256, 1007433), (288, 895496), (336, 767568), (384, 671622), (448, 575676), (504, 511712), (576, 447748), (672, 383784), (768, 335811), (896, 287838), (1008, 255856), (1152, 223874), (1344, 191892), (1792, 143919), (2016, 127928), (2304, 111937), (2688, 95946), (4032, 63964), (5376, 47973), (8064, 31982), (15991, 16128)]