621560128

素因数分解:

$2^6\times 7^1\times {\mathrm{71}}^1\times {\mathrm{19541}}^1$

素因数の和:19631

約数の個数: 56

約数和(自身を含む): 1429536384

約数和(自身を除く): 807976256

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 142, 224, 284, 448, 497, 568, 994, 1136, 1988, 2272, 3976, 4544, 7952, 15904, 19541, 31808, 39082, 78164, 136787, 156328, 273574, 312656, 547148, 625312, 1094296, 1250624, 1387411, 2188592, 2774822, 4377184, 5549644, 8754368, 9711877, 11099288, 19423754, 22198576, 38847508, 44397152, 77695016, 88794304, 155390032, 310780064, 621560128]

約数ペア:

[(1, 621560128), (2, 310780064), (4, 155390032), (7, 88794304), (8, 77695016), (14, 44397152), (16, 38847508), (28, 22198576), (32, 19423754), (56, 11099288), (64, 9711877), (71, 8754368), (112, 5549644), (142, 4377184), (224, 2774822), (284, 2188592), (448, 1387411), (497, 1250624), (568, 1094296), (994, 625312), (1136, 547148), (1988, 312656), (2272, 273574), (3976, 156328), (4544, 136787), (7952, 78164), (15904, 39082), (19541, 31808)]