217902132

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{864691}}^1$

素因数の和:864708

約数の個数: 36

約数和(自身を含む): 629495776

約数和(自身を除く): 411593644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 864691, 1729382, 2594073, 3458764, 5188146, 6052837, 7782219, 10376292, 12105674, 15564438, 18158511, 24211348, 31128876, 36317022, 54475533, 72634044, 108951066, 217902132]

約数ペア:

[(1, 217902132), (2, 108951066), (3, 72634044), (4, 54475533), (6, 36317022), (7, 31128876), (9, 24211348), (12, 18158511), (14, 15564438), (18, 12105674), (21, 10376292), (28, 7782219), (36, 6052837), (42, 5188146), (63, 3458764), (84, 2594073), (126, 1729382), (252, 864691)]