990024196

素因数分解:

$2^2\times 7^1\times {\mathrm{821}}^1\times {\mathrm{43067}}^1$

素因数の和:43899

約数の個数: 24

約数和(自身を含む): 1982506176

約数和(自身を除く): 992481980

約数列:

[1, 2, 4, 7, 14, 28, 821, 1642, 3284, 5747, 11494, 22988, 43067, 86134, 172268, 301469, 602938, 1205876, 35358007, 70716014, 141432028, 247506049, 495012098, 990024196]

約数ペア:

[(1, 990024196), (2, 495012098), (4, 247506049), (7, 141432028), (14, 70716014), (28, 35358007), (821, 1205876), (1642, 602938), (3284, 301469), (5747, 172268), (11494, 86134), (22988, 43067)]