1990674

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:120

約数の個数: 72

約数和(自身を含む): 5237388

約数和(自身を除く): 3246714

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 49, 61, 63, 74, 98, 111, 122, 126, 147, 183, 222, 259, 294, 333, 366, 427, 441, 518, 549, 666, 777, 854, 882, 1098, 1281, 1554, 1813, 2257, 2331, 2562, 2989, 3626, 3843, 4514, 4662, 5439, 5978, 6771, 7686, 8967, 10878, 13542, 15799, 16317, 17934, 20313, 26901, 31598, 32634, 40626, 47397, 53802, 94794, 110593, 142191, 221186, 284382, 331779, 663558, 995337, 1990674]

約数ペア:

[(1, 1990674), (2, 995337), (3, 663558), (6, 331779), (7, 284382), (9, 221186), (14, 142191), (18, 110593), (21, 94794), (37, 53802), (42, 47397), (49, 40626), (61, 32634), (63, 31598), (74, 26901), (98, 20313), (111, 17934), (122, 16317), (126, 15799), (147, 13542), (183, 10878), (222, 8967), (259, 7686), (294, 6771), (333, 5978), (366, 5439), (427, 4662), (441, 4514), (518, 3843), (549, 3626), (666, 2989), (777, 2562), (854, 2331), (882, 2257), (1098, 1813), (1281, 1554)]