521609004

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{689959}}^1$

素因数の和:689979

約数の個数: 48

約数和(自身を含む): 1545510400

約数和(自身を除く): 1023901396

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 689959, 1379918, 2069877, 2759836, 4139754, 4829713, 6209631, 8279508, 9659426, 12419262, 14489139, 18628893, 19318852, 24838524, 28978278, 37257786, 43467417, 57956556, 74515572, 86934834, 130402251, 173869668, 260804502, 521609004]

約数ペア:

[(1, 521609004), (2, 260804502), (3, 173869668), (4, 130402251), (6, 86934834), (7, 74515572), (9, 57956556), (12, 43467417), (14, 37257786), (18, 28978278), (21, 24838524), (27, 19318852), (28, 18628893), (36, 14489139), (42, 12419262), (54, 9659426), (63, 8279508), (84, 6209631), (108, 4829713), (126, 4139754), (189, 2759836), (252, 2069877), (378, 1379918), (756, 689959)]