287347472

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{2749}}^1$

素因数の和:2943

約数の個数: 40

約数和(自身を含む): 572880000

約数和(自身を除く): 285532528

約数列:

[1, 2, 4, 8, 16, 47, 94, 139, 188, 278, 376, 556, 752, 1112, 2224, 2749, 5498, 6533, 10996, 13066, 21992, 26132, 43984, 52264, 104528, 129203, 258406, 382111, 516812, 764222, 1033624, 1528444, 2067248, 3056888, 6113776, 17959217, 35918434, 71836868, 143673736, 287347472]

約数ペア:

[(1, 287347472), (2, 143673736), (4, 71836868), (8, 35918434), (16, 17959217), (47, 6113776), (94, 3056888), (139, 2067248), (188, 1528444), (278, 1033624), (376, 764222), (556, 516812), (752, 382111), (1112, 258406), (2224, 129203), (2749, 104528), (5498, 52264), (6533, 43984), (10996, 26132), (13066, 21992)]