637292045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1\times {\mathrm{317}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 835658208

約数和(自身を除く): 198366163

約数列:

[1, 5, 13, 65, 157, 197, 317, 785, 985, 1585, 2041, 2561, 4121, 10205, 12805, 20605, 30929, 49769, 62449, 154645, 248845, 312245, 402077, 646997, 811837, 2010385, 3234985, 4059185, 9804493, 49022465, 127458409, 637292045]

約数ペア:

[(1, 637292045), (5, 127458409), (13, 49022465), (65, 9804493), (157, 4059185), (197, 3234985), (317, 2010385), (785, 811837), (985, 646997), (1585, 402077), (2041, 312245), (2561, 248845), (4121, 154645), (10205, 62449), (12805, 49769), (20605, 30929)]