397578468

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{127921}}^1$

素因数の和:127972

約数の個数: 48

約数和(自身を含む): 1088872064

約数和(自身を除く): 691293596

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1036, 1554, 3108, 127921, 255842, 383763, 511684, 767526, 895447, 1535052, 1790894, 2686341, 3581788, 4733077, 5372682, 9466154, 10745364, 14199231, 18932308, 28398462, 33131539, 56796924, 66263078, 99394617, 132526156, 198789234, 397578468]

約数ペア:

[(1, 397578468), (2, 198789234), (3, 132526156), (4, 99394617), (6, 66263078), (7, 56796924), (12, 33131539), (14, 28398462), (21, 18932308), (28, 14199231), (37, 10745364), (42, 9466154), (74, 5372682), (84, 4733077), (111, 3581788), (148, 2686341), (222, 1790894), (259, 1535052), (444, 895447), (518, 767526), (777, 511684), (1036, 383763), (1554, 255842), (3108, 127921)]