1989555282

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1987}}^1$

素因数の和:2408

約数の個数: 96

約数和(自身を含む): 5079896640

約数和(自身を除く): 3090341358

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 143, 198, 234, 286, 389, 429, 778, 858, 1167, 1287, 1987, 2334, 2574, 3501, 3974, 4279, 5057, 5961, 7002, 8558, 10114, 11922, 12837, 15171, 17883, 21857, 25674, 25831, 30342, 35766, 38511, 43714, 45513, 51662, 55627, 65571, 77022, 77493, 91026, 111254, 131142, 154986, 166881, 196713, 232479, 284141, 333762, 393426, 464958, 500643, 568282, 772943, 852423, 1001286, 1545886, 1704846, 2318829, 2557269, 4637658, 5114538, 6956487, 8502373, 10048259, 13912974, 17004746, 20096518, 25507119, 30144777, 51014238, 60289554, 76521357, 90434331, 110530849, 153042714, 180868662, 221061698, 331592547, 663185094, 994777641, 1989555282]

約数ペア:

[(1, 1989555282), (2, 994777641), (3, 663185094), (6, 331592547), (9, 221061698), (11, 180868662), (13, 153042714), (18, 110530849), (22, 90434331), (26, 76521357), (33, 60289554), (39, 51014238), (66, 30144777), (78, 25507119), (99, 20096518), (117, 17004746), (143, 13912974), (198, 10048259), (234, 8502373), (286, 6956487), (389, 5114538), (429, 4637658), (778, 2557269), (858, 2318829), (1167, 1704846), (1287, 1545886), (1987, 1001286), (2334, 852423), (2574, 772943), (3501, 568282), (3974, 500643), (4279, 464958), (5057, 393426), (5961, 333762), (7002, 284141), (8558, 232479), (10114, 196713), (11922, 166881), (12837, 154986), (15171, 131142), (17883, 111254), (21857, 91026), (25674, 77493), (25831, 77022), (30342, 65571), (35766, 55627), (38511, 51662), (43714, 45513)]