128520128

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{587}}^1$

素因数の和:921

約数の個数: 56

約数和(自身を含む): 279586944

約数和(自身を除く): 151066816

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 176, 311, 352, 587, 622, 704, 1174, 1244, 2348, 2488, 3421, 4696, 4976, 6457, 6842, 9392, 9952, 12914, 13684, 18784, 19904, 25828, 27368, 37568, 51656, 54736, 103312, 109472, 182557, 206624, 218944, 365114, 413248, 730228, 1460456, 2008127, 2920912, 4016254, 5841824, 8032508, 11683648, 16065016, 32130032, 64260064, 128520128]

約数ペア:

[(1, 128520128), (2, 64260064), (4, 32130032), (8, 16065016), (11, 11683648), (16, 8032508), (22, 5841824), (32, 4016254), (44, 2920912), (64, 2008127), (88, 1460456), (176, 730228), (311, 413248), (352, 365114), (587, 218944), (622, 206624), (704, 182557), (1174, 109472), (1244, 103312), (2348, 54736), (2488, 51656), (3421, 37568), (4696, 27368), (4976, 25828), (6457, 19904), (6842, 18784), (9392, 13684), (9952, 12914)]