388628496

素因数分解:

$2^4\times 3^3\times {\mathrm{43}}^1\times {\mathrm{20921}}^1$

素因数の和:20981

約数の個数: 80

約数和(自身を含む): 1141504320

約数和(自身を除く): 752875824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 43, 48, 54, 72, 86, 108, 129, 144, 172, 216, 258, 344, 387, 432, 516, 688, 774, 1032, 1161, 1548, 2064, 2322, 3096, 4644, 6192, 9288, 18576, 20921, 41842, 62763, 83684, 125526, 167368, 188289, 251052, 334736, 376578, 502104, 564867, 753156, 899603, 1004208, 1129734, 1506312, 1799206, 2259468, 2698809, 3012624, 3598412, 4518936, 5397618, 7196824, 8096427, 9037872, 10795236, 14393648, 16192854, 21590472, 24289281, 32385708, 43180944, 48578562, 64771416, 97157124, 129542832, 194314248, 388628496]

約数ペア:

[(1, 388628496), (2, 194314248), (3, 129542832), (4, 97157124), (6, 64771416), (8, 48578562), (9, 43180944), (12, 32385708), (16, 24289281), (18, 21590472), (24, 16192854), (27, 14393648), (36, 10795236), (43, 9037872), (48, 8096427), (54, 7196824), (72, 5397618), (86, 4518936), (108, 3598412), (129, 3012624), (144, 2698809), (172, 2259468), (216, 1799206), (258, 1506312), (344, 1129734), (387, 1004208), (432, 899603), (516, 753156), (688, 564867), (774, 502104), (1032, 376578), (1161, 334736), (1548, 251052), (2064, 188289), (2322, 167368), (3096, 125526), (4644, 83684), (6192, 62763), (9288, 41842), (18576, 20921)]