156968128

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1297}}^1$

素因数の和:1401

約数の個数: 56

約数和(自身を含む): 327054464

約数和(自身を除く): 170086336

約数列:

[1, 2, 4, 8, 16, 31, 32, 61, 62, 64, 122, 124, 244, 248, 488, 496, 976, 992, 1297, 1891, 1952, 1984, 2594, 3782, 3904, 5188, 7564, 10376, 15128, 20752, 30256, 40207, 41504, 60512, 79117, 80414, 83008, 121024, 158234, 160828, 316468, 321656, 632936, 643312, 1265872, 1286624, 2452627, 2531744, 2573248, 4905254, 5063488, 9810508, 19621016, 39242032, 78484064, 156968128]

約数ペア:

[(1, 156968128), (2, 78484064), (4, 39242032), (8, 19621016), (16, 9810508), (31, 5063488), (32, 4905254), (61, 2573248), (62, 2531744), (64, 2452627), (122, 1286624), (124, 1265872), (244, 643312), (248, 632936), (488, 321656), (496, 316468), (976, 160828), (992, 158234), (1297, 121024), (1891, 83008), (1952, 80414), (1984, 79117), (2594, 60512), (3782, 41504), (3904, 40207), (5188, 30256), (7564, 20752), (10376, 15128)]