123555328

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{977}}^1$

素因数の和:1027

約数の個数: 80

約数和(自身を含む): 280138320

約数和(自身を除く): 156582992

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 256, 304, 416, 494, 512, 608, 832, 977, 988, 1216, 1664, 1954, 1976, 2432, 3328, 3908, 3952, 4864, 6656, 7816, 7904, 9728, 12701, 15632, 15808, 18563, 25402, 31264, 31616, 37126, 50804, 62528, 63232, 74252, 101608, 125056, 126464, 148504, 203216, 241319, 250112, 297008, 406432, 482638, 500224, 594016, 812864, 965276, 1188032, 1625728, 1930552, 2376064, 3251456, 3861104, 4752128, 6502912, 7722208, 9504256, 15444416, 30888832, 61777664, 123555328]

約数ペア:

[(1, 123555328), (2, 61777664), (4, 30888832), (8, 15444416), (13, 9504256), (16, 7722208), (19, 6502912), (26, 4752128), (32, 3861104), (38, 3251456), (52, 2376064), (64, 1930552), (76, 1625728), (104, 1188032), (128, 965276), (152, 812864), (208, 594016), (247, 500224), (256, 482638), (304, 406432), (416, 297008), (494, 250112), (512, 241319), (608, 203216), (832, 148504), (977, 126464), (988, 125056), (1216, 101608), (1664, 74252), (1954, 63232), (1976, 62528), (2432, 50804), (3328, 37126), (3908, 31616), (3952, 31264), (4864, 25402), (6656, 18563), (7816, 15808), (7904, 15632), (9728, 12701)]