218363418

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1201}}^1$

素因数の和:1269

約数の個数: 128

約数和(自身を含む): 613885440

約数和(自身を除く): 395522022

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 37, 39, 42, 54, 63, 74, 78, 91, 111, 117, 126, 182, 189, 222, 234, 259, 273, 333, 351, 378, 481, 518, 546, 666, 702, 777, 819, 962, 999, 1201, 1443, 1554, 1638, 1998, 2331, 2402, 2457, 2886, 3367, 3603, 4329, 4662, 4914, 6734, 6993, 7206, 8407, 8658, 10101, 10809, 12987, 13986, 15613, 16814, 20202, 21618, 25221, 25974, 30303, 31226, 32427, 44437, 46839, 50442, 60606, 64854, 75663, 88874, 90909, 93678, 109291, 133311, 140517, 151326, 181818, 218582, 226989, 266622, 281034, 311059, 327873, 399933, 421551, 453978, 577681, 622118, 655746, 799866, 843102, 933177, 983619, 1155362, 1199799, 1733043, 1866354, 1967238, 2399598, 2799531, 2950857, 3466086, 4043767, 5199129, 5599062, 5901714, 8087534, 8398593, 10398258, 12131301, 15597387, 16797186, 24262602, 31194774, 36393903, 72787806, 109181709, 218363418]

約数ペア:

[(1, 218363418), (2, 109181709), (3, 72787806), (6, 36393903), (7, 31194774), (9, 24262602), (13, 16797186), (14, 15597387), (18, 12131301), (21, 10398258), (26, 8398593), (27, 8087534), (37, 5901714), (39, 5599062), (42, 5199129), (54, 4043767), (63, 3466086), (74, 2950857), (78, 2799531), (91, 2399598), (111, 1967238), (117, 1866354), (126, 1733043), (182, 1199799), (189, 1155362), (222, 983619), (234, 933177), (259, 843102), (273, 799866), (333, 655746), (351, 622118), (378, 577681), (481, 453978), (518, 421551), (546, 399933), (666, 327873), (702, 311059), (777, 281034), (819, 266622), (962, 226989), (999, 218582), (1201, 181818), (1443, 151326), (1554, 140517), (1638, 133311), (1998, 109291), (2331, 93678), (2402, 90909), (2457, 88874), (2886, 75663), (3367, 64854), (3603, 60606), (4329, 50442), (4662, 46839), (4914, 44437), (6734, 32427), (6993, 31226), (7206, 30303), (8407, 25974), (8658, 25221), (10101, 21618), (10809, 20202), (12987, 16814), (13986, 15613)]