1998666472

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:743

約数の個数: 128

約数和(自身を含む): 4538695680

約数和(自身を除く): 2540029208

約数列:

[1, 2, 4, 8, 11, 17, 22, 31, 34, 44, 62, 68, 71, 88, 124, 136, 142, 187, 248, 284, 341, 374, 527, 568, 607, 682, 748, 781, 1054, 1207, 1214, 1364, 1496, 1562, 2108, 2201, 2414, 2428, 2728, 3124, 4216, 4402, 4828, 4856, 5797, 6248, 6677, 8804, 9656, 10319, 11594, 13277, 13354, 17608, 18817, 20638, 23188, 24211, 26554, 26708, 37417, 37634, 41276, 43097, 46376, 48422, 53108, 53416, 74834, 75268, 82552, 86194, 96844, 106216, 113509, 149668, 150536, 172388, 193688, 206987, 227018, 299336, 319889, 344776, 411587, 413974, 454036, 474067, 639778, 732649, 823174, 827948, 908072, 948134, 1279556, 1336007, 1465298, 1646348, 1655896, 1896268, 2559112, 2672014, 2930596, 3292696, 3518779, 3792536, 5344028, 5861192, 7037558, 8059139, 10688056, 14075116, 14696077, 16118278, 22712119, 28150232, 29392154, 32236556, 45424238, 58784308, 64473112, 90848476, 117568616, 181696952, 249833309, 499666618, 999333236, 1998666472]

約数ペア:

[(1, 1998666472), (2, 999333236), (4, 499666618), (8, 249833309), (11, 181696952), (17, 117568616), (22, 90848476), (31, 64473112), (34, 58784308), (44, 45424238), (62, 32236556), (68, 29392154), (71, 28150232), (88, 22712119), (124, 16118278), (136, 14696077), (142, 14075116), (187, 10688056), (248, 8059139), (284, 7037558), (341, 5861192), (374, 5344028), (527, 3792536), (568, 3518779), (607, 3292696), (682, 2930596), (748, 2672014), (781, 2559112), (1054, 1896268), (1207, 1655896), (1214, 1646348), (1364, 1465298), (1496, 1336007), (1562, 1279556), (2108, 948134), (2201, 908072), (2414, 827948), (2428, 823174), (2728, 732649), (3124, 639778), (4216, 474067), (4402, 454036), (4828, 413974), (4856, 411587), (5797, 344776), (6248, 319889), (6677, 299336), (8804, 227018), (9656, 206987), (10319, 193688), (11594, 172388), (13277, 150536), (13354, 149668), (17608, 113509), (18817, 106216), (20638, 96844), (23188, 86194), (24211, 82552), (26554, 75268), (26708, 74834), (37417, 53416), (37634, 53108), (41276, 48422), (43097, 46376)]