1999016208

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{7901}}^1$

素因数の和:8173

約数の個数: 120

約数和(自身を含む): 6419964096

約数和(自身を除く): 4420947888

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 251, 252, 336, 502, 504, 753, 1004, 1008, 1506, 1757, 2008, 2259, 3012, 3514, 4016, 4518, 5271, 6024, 7028, 7901, 9036, 10542, 12048, 14056, 15802, 15813, 18072, 21084, 23703, 28112, 31604, 31626, 36144, 42168, 47406, 55307, 63208, 63252, 71109, 84336, 94812, 110614, 126416, 126504, 142218, 165921, 189624, 221228, 253008, 284436, 331842, 379248, 442456, 497763, 568872, 663684, 884912, 995526, 1137744, 1327368, 1983151, 1991052, 2654736, 3966302, 3982104, 5949453, 7932604, 7964208, 11898906, 13882057, 15865208, 17848359, 23797812, 27764114, 31730416, 35696718, 41646171, 47595624, 55528228, 71393436, 83292342, 95191248, 111056456, 124938513, 142786872, 166584684, 222112912, 249877026, 285573744, 333169368, 499754052, 666338736, 999508104, 1999016208]

約数ペア:

[(1, 1999016208), (2, 999508104), (3, 666338736), (4, 499754052), (6, 333169368), (7, 285573744), (8, 249877026), (9, 222112912), (12, 166584684), (14, 142786872), (16, 124938513), (18, 111056456), (21, 95191248), (24, 83292342), (28, 71393436), (36, 55528228), (42, 47595624), (48, 41646171), (56, 35696718), (63, 31730416), (72, 27764114), (84, 23797812), (112, 17848359), (126, 15865208), (144, 13882057), (168, 11898906), (251, 7964208), (252, 7932604), (336, 5949453), (502, 3982104), (504, 3966302), (753, 2654736), (1004, 1991052), (1008, 1983151), (1506, 1327368), (1757, 1137744), (2008, 995526), (2259, 884912), (3012, 663684), (3514, 568872), (4016, 497763), (4518, 442456), (5271, 379248), (6024, 331842), (7028, 284436), (7901, 253008), (9036, 221228), (10542, 189624), (12048, 165921), (14056, 142218), (15802, 126504), (15813, 126416), (18072, 110614), (21084, 94812), (23703, 84336), (28112, 71109), (31604, 63252), (31626, 63208), (36144, 55307), (42168, 47406)]