400996912

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{197341}}^1$

素因数の和:197476

約数の個数: 20

約数和(自身を含む): 783053056

約数和(自身を除く): 382056144

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 197341, 394682, 789364, 1578728, 3157456, 25062307, 50124614, 100249228, 200498456, 400996912]

約数ペア:

[(1, 400996912), (2, 200498456), (4, 100249228), (8, 50124614), (16, 25062307), (127, 3157456), (254, 1578728), (508, 789364), (1016, 394682), (2032, 197341)]