215686764

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{839}}^1$

素因数の和:1079

約数の個数: 72

約数和(自身を含む): 563515680

約数和(自身を除く): 347828916

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 193, 222, 333, 386, 444, 579, 666, 772, 839, 1158, 1332, 1678, 1737, 2316, 2517, 3356, 3474, 5034, 6948, 7141, 7551, 10068, 14282, 15102, 21423, 28564, 30204, 31043, 42846, 62086, 64269, 85692, 93129, 124172, 128538, 161927, 186258, 257076, 279387, 323854, 372516, 485781, 558774, 647708, 971562, 1117548, 1457343, 1943124, 2914686, 5829372, 5991299, 11982598, 17973897, 23965196, 35947794, 53921691, 71895588, 107843382, 215686764]

約数ペア:

[(1, 215686764), (2, 107843382), (3, 71895588), (4, 53921691), (6, 35947794), (9, 23965196), (12, 17973897), (18, 11982598), (36, 5991299), (37, 5829372), (74, 2914686), (111, 1943124), (148, 1457343), (193, 1117548), (222, 971562), (333, 647708), (386, 558774), (444, 485781), (579, 372516), (666, 323854), (772, 279387), (839, 257076), (1158, 186258), (1332, 161927), (1678, 128538), (1737, 124172), (2316, 93129), (2517, 85692), (3356, 64269), (3474, 62086), (5034, 42846), (6948, 31043), (7141, 30204), (7551, 28564), (10068, 21423), (14282, 15102)]