20160422212

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2779981}}^1$

素因数の和:2780036

約数の個数: 36

約数和(自身を含む): 42150087084

約数和(自身を除く): 21989664872

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 518, 1036, 1813, 3626, 7252, 2779981, 5559962, 11119924, 19459867, 38919734, 77839468, 102859297, 136219069, 205718594, 272438138, 411437188, 544876276, 720015079, 1440030158, 2880060316, 5040105553, 10080211106, 20160422212]

約数ペア:

[(1, 20160422212), (2, 10080211106), (4, 5040105553), (7, 2880060316), (14, 1440030158), (28, 720015079), (37, 544876276), (49, 411437188), (74, 272438138), (98, 205718594), (148, 136219069), (196, 102859297), (259, 77839468), (518, 38919734), (1036, 19459867), (1813, 11119924), (3626, 5559962), (7252, 2779981)]