212816128

素因数分解:

$2^8\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1153}}^1$

素因数の和:1279

約数の個数: 72

約数和(自身を含む): 490625408

約数和(自身を除く): 277809280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 103, 112, 128, 206, 224, 256, 412, 448, 721, 824, 896, 1153, 1442, 1648, 1792, 2306, 2884, 3296, 4612, 5768, 6592, 8071, 9224, 11536, 13184, 16142, 18448, 23072, 26368, 32284, 36896, 46144, 64568, 73792, 92288, 118759, 129136, 147584, 184576, 237518, 258272, 295168, 475036, 516544, 831313, 950072, 1033088, 1662626, 1900144, 2066176, 3325252, 3800288, 6650504, 7600576, 13301008, 15201152, 26602016, 30402304, 53204032, 106408064, 212816128]

約数ペア:

[(1, 212816128), (2, 106408064), (4, 53204032), (7, 30402304), (8, 26602016), (14, 15201152), (16, 13301008), (28, 7600576), (32, 6650504), (56, 3800288), (64, 3325252), (103, 2066176), (112, 1900144), (128, 1662626), (206, 1033088), (224, 950072), (256, 831313), (412, 516544), (448, 475036), (721, 295168), (824, 258272), (896, 237518), (1153, 184576), (1442, 147584), (1648, 129136), (1792, 118759), (2306, 92288), (2884, 73792), (3296, 64568), (4612, 46144), (5768, 36896), (6592, 32284), (8071, 26368), (9224, 23072), (11536, 18448), (13184, 16142)]