128728192

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1291}}^1$

素因数の和:1365

約数の個数: 64

約数和(自身を含む): 276746400

約数和(自身を除く): 148018208

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 41, 64, 76, 82, 128, 152, 164, 304, 328, 608, 656, 779, 1216, 1291, 1312, 1558, 2432, 2582, 2624, 3116, 5164, 5248, 6232, 10328, 12464, 20656, 24529, 24928, 41312, 49058, 49856, 52931, 82624, 98116, 99712, 105862, 165248, 196232, 211724, 392464, 423448, 784928, 846896, 1005689, 1569856, 1693792, 2011378, 3139712, 3387584, 4022756, 6775168, 8045512, 16091024, 32182048, 64364096, 128728192]

約数ペア:

[(1, 128728192), (2, 64364096), (4, 32182048), (8, 16091024), (16, 8045512), (19, 6775168), (32, 4022756), (38, 3387584), (41, 3139712), (64, 2011378), (76, 1693792), (82, 1569856), (128, 1005689), (152, 846896), (164, 784928), (304, 423448), (328, 392464), (608, 211724), (656, 196232), (779, 165248), (1216, 105862), (1291, 99712), (1312, 98116), (1558, 82624), (2432, 52931), (2582, 49856), (2624, 49058), (3116, 41312), (5164, 24928), (5248, 24529), (6232, 20656), (10328, 12464)]