1390788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{5519}}^1$

素因数の和:5536

約数の個数: 36

約数和(自身を含む): 4018560

約数和(自身を除く): 2627772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 5519, 11038, 16557, 22076, 33114, 38633, 49671, 66228, 77266, 99342, 115899, 154532, 198684, 231798, 347697, 463596, 695394, 1390788]

約数ペア:

[(1, 1390788), (2, 695394), (3, 463596), (4, 347697), (6, 231798), (7, 198684), (9, 154532), (12, 115899), (14, 99342), (18, 77266), (21, 66228), (28, 49671), (36, 38633), (42, 33114), (63, 22076), (84, 16557), (126, 11038), (252, 5519)]