638852878

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1\times {\mathrm{461}}^1$

素因数の和:868

約数の個数: 32

約数和(自身を含む): 1005748128

約数和(自身を除く): 366895250

約数列:

[1, 2, 37, 61, 74, 122, 307, 461, 614, 922, 2257, 4514, 11359, 17057, 18727, 22718, 28121, 34114, 37454, 56242, 141527, 283054, 692899, 1040477, 1385798, 2080954, 5236499, 8633147, 10472998, 17266294, 319426439, 638852878]

約数ペア:

[(1, 638852878), (2, 319426439), (37, 17266294), (61, 10472998), (74, 8633147), (122, 5236499), (307, 2080954), (461, 1385798), (614, 1040477), (922, 692899), (2257, 283054), (4514, 141527), (11359, 56242), (17057, 37454), (18727, 34114), (22718, 28121)]