131689728

素因数分解:

$2^8\times 3^2\times {\mathrm{61}}^1\times {\mathrm{937}}^1$

素因数の和:1020

約数の個数: 108

約数和(自身を含む): 386330308

約数和(自身を除く): 254640580

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 61, 64, 72, 96, 122, 128, 144, 183, 192, 244, 256, 288, 366, 384, 488, 549, 576, 732, 768, 937, 976, 1098, 1152, 1464, 1874, 1952, 2196, 2304, 2811, 2928, 3748, 3904, 4392, 5622, 5856, 7496, 7808, 8433, 8784, 11244, 11712, 14992, 15616, 16866, 17568, 22488, 23424, 29984, 33732, 35136, 44976, 46848, 57157, 59968, 67464, 70272, 89952, 114314, 119936, 134928, 140544, 171471, 179904, 228628, 239872, 269856, 342942, 359808, 457256, 514413, 539712, 685884, 719616, 914512, 1028826, 1079424, 1371768, 1829024, 2057652, 2158848, 2743536, 3658048, 4115304, 5487072, 7316096, 8230608, 10974144, 14632192, 16461216, 21948288, 32922432, 43896576, 65844864, 131689728]

約数ペア:

[(1, 131689728), (2, 65844864), (3, 43896576), (4, 32922432), (6, 21948288), (8, 16461216), (9, 14632192), (12, 10974144), (16, 8230608), (18, 7316096), (24, 5487072), (32, 4115304), (36, 3658048), (48, 2743536), (61, 2158848), (64, 2057652), (72, 1829024), (96, 1371768), (122, 1079424), (128, 1028826), (144, 914512), (183, 719616), (192, 685884), (244, 539712), (256, 514413), (288, 457256), (366, 359808), (384, 342942), (488, 269856), (549, 239872), (576, 228628), (732, 179904), (768, 171471), (937, 140544), (976, 134928), (1098, 119936), (1152, 114314), (1464, 89952), (1874, 70272), (1952, 67464), (2196, 59968), (2304, 57157), (2811, 46848), (2928, 44976), (3748, 35136), (3904, 33732), (4392, 29984), (5622, 23424), (5856, 22488), (7496, 17568), (7808, 16866), (8433, 15616), (8784, 14992), (11244, 11712)]