999903404164

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{1252177}}^1$

素因数の和:1252305

約数の個数: 72

約数和(自身を含む): 2137317584640

約数和(自身を除く): 1137414180476

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 79, 133, 158, 266, 316, 361, 532, 553, 722, 1106, 1444, 1501, 2212, 2527, 3002, 5054, 6004, 10108, 10507, 21014, 28519, 42028, 57038, 114076, 199633, 399266, 798532, 1252177, 2504354, 5008708, 8765239, 17530478, 23791363, 35060956, 47582726, 95165452, 98921983, 166539541, 197843966, 333079082, 395687932, 452035897, 666158164, 692453881, 904071794, 1384907762, 1808143588, 1879517677, 2769815524, 3164251279, 3759035354, 6328502558, 7518070708, 12657005116, 13156623739, 26313247478, 35710835863, 52626494956, 71421671726, 142843343452, 249975851041, 499951702082, 999903404164]

約数ペア:

[(1, 999903404164), (2, 499951702082), (4, 249975851041), (7, 142843343452), (14, 71421671726), (19, 52626494956), (28, 35710835863), (38, 26313247478), (76, 13156623739), (79, 12657005116), (133, 7518070708), (158, 6328502558), (266, 3759035354), (316, 3164251279), (361, 2769815524), (532, 1879517677), (553, 1808143588), (722, 1384907762), (1106, 904071794), (1444, 692453881), (1501, 666158164), (2212, 452035897), (2527, 395687932), (3002, 333079082), (5054, 197843966), (6004, 166539541), (10108, 98921983), (10507, 95165452), (21014, 47582726), (28519, 35060956), (42028, 23791363), (57038, 17530478), (114076, 8765239), (199633, 5008708), (399266, 2504354), (798532, 1252177)]