215565588

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{855419}}^1$

素因数の和:855436

約数の個数: 36

約数和(自身を含む): 622745760

約数和(自身を除く): 407180172

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 855419, 1710838, 2566257, 3421676, 5132514, 5987933, 7698771, 10265028, 11975866, 15397542, 17963799, 23951732, 30795084, 35927598, 53891397, 71855196, 107782794, 215565588]

約数ペア:

[(1, 215565588), (2, 107782794), (3, 71855196), (4, 53891397), (6, 35927598), (7, 30795084), (9, 23951732), (12, 17963799), (14, 15397542), (18, 11975866), (21, 10265028), (28, 7698771), (36, 5987933), (42, 5132514), (63, 3421676), (84, 2566257), (126, 1710838), (252, 855419)]