201801600008

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1\times {\mathrm{19403}}^1$

素因数の和:19794

約数の個数: 64

約数和(自身を含む): 391184640000

約数和(自身を除く): 189383039992

約数列:

[1, 2, 4, 8, 47, 94, 139, 188, 199, 278, 376, 398, 556, 796, 1112, 1592, 6533, 9353, 13066, 18706, 19403, 26132, 27661, 37412, 38806, 52264, 55322, 74824, 77612, 110644, 155224, 221288, 911941, 1300067, 1823882, 2600134, 2697017, 3647764, 3861197, 5200268, 5394034, 7295528, 7722394, 10400536, 10788068, 15444788, 21576136, 30889576, 126759799, 181476259, 253519598, 362952518, 507039196, 536706383, 725905036, 1014078392, 1073412766, 1451810072, 2146825532, 4293651064, 25225200001, 50450400002, 100900800004, 201801600008]

約数ペア:

[(1, 201801600008), (2, 100900800004), (4, 50450400002), (8, 25225200001), (47, 4293651064), (94, 2146825532), (139, 1451810072), (188, 1073412766), (199, 1014078392), (278, 725905036), (376, 536706383), (398, 507039196), (556, 362952518), (796, 253519598), (1112, 181476259), (1592, 126759799), (6533, 30889576), (9353, 21576136), (13066, 15444788), (18706, 10788068), (19403, 10400536), (26132, 7722394), (27661, 7295528), (37412, 5394034), (38806, 5200268), (52264, 3861197), (55322, 3647764), (74824, 2697017), (77612, 2600134), (110644, 1823882), (155224, 1300067), (221288, 911941)]