1231283456

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{883}}^1$

素因数の和:1331

約数の個数: 72

約数和(自身を含む): 2656137120

約数和(自身を除く): 1424853664

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 419, 832, 838, 883, 1664, 1676, 1766, 3328, 3352, 3532, 5447, 6704, 7064, 10894, 11479, 13408, 14128, 21788, 22958, 26816, 28256, 43576, 45916, 53632, 56512, 87152, 91832, 107264, 113024, 174304, 183664, 226048, 348608, 367328, 369977, 697216, 734656, 739954, 1394432, 1469312, 1479908, 2938624, 2959816, 4809701, 5919632, 9619402, 11839264, 19238804, 23678528, 38477608, 47357056, 76955216, 94714112, 153910432, 307820864, 615641728, 1231283456]

約数ペア:

[(1, 1231283456), (2, 615641728), (4, 307820864), (8, 153910432), (13, 94714112), (16, 76955216), (26, 47357056), (32, 38477608), (52, 23678528), (64, 19238804), (104, 11839264), (128, 9619402), (208, 5919632), (256, 4809701), (416, 2959816), (419, 2938624), (832, 1479908), (838, 1469312), (883, 1394432), (1664, 739954), (1676, 734656), (1766, 697216), (3328, 369977), (3352, 367328), (3532, 348608), (5447, 226048), (6704, 183664), (7064, 174304), (10894, 113024), (11479, 107264), (13408, 91832), (14128, 87152), (21788, 56512), (22958, 53632), (26816, 45916), (28256, 43576)]